{"product_id":"richpen-needle-locknut-29711","title":"RichPen Needle Locknut 29711","description":"\u003cstyle\u003e\n  .richpen-needle-locknut-29711 {\n    --rp-text: #1f2937;\n    --rp-muted: #4b5563;\n    --rp-border: #d1d5db;\n    --rp-heading: #111827;\n    --rp-link: #0076bd;\n    --rp-hover: #f37021;\n    --rp-note-bg: #fff7ed;\n    --rp-note-border: #f37021;\n\n    max-width: 1100px;\n    margin: 0 auto;\n    color: var(--rp-text);\n    font-family: Arial, Helvetica, sans-serif;\n    line-height: 1.65;\n  }\n\n  .richpen-needle-locknut-29711,\n  .richpen-needle-locknut-29711 * {\n    box-sizing: border-box;\n  }\n\n  .richpen-needle-locknut-29711 h2,\n  .richpen-needle-locknut-29711 h3 {\n    margin-top: 0;\n    color: var(--rp-heading);\n    line-height: 1.3;\n  }\n\n  .richpen-needle-locknut-29711 h2 {\n    margin-bottom: 15px;\n    font-size: clamp(25px, 4vw, 36px);\n  }\n\n  .richpen-needle-locknut-29711 h3 {\n    margin-bottom: 14px;\n    font-size: clamp(20px, 3vw, 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}\n\n  .richpen-needle-locknut-29711 .rp-specs {\n    width: 100%;\n    border-collapse: collapse;\n  }\n\n  .richpen-needle-locknut-29711 .rp-specs th,\n  .richpen-needle-locknut-29711 .rp-specs td {\n    padding: 11px 10px;\n    text-align: left;\n    vertical-align: top;\n    border-bottom: 1px solid #e5e7eb;\n  }\n\n  .richpen-needle-locknut-29711 .rp-specs th {\n    width: 42%;\n    color: var(--rp-heading);\n    font-weight: 700;\n  }\n\n  .richpen-needle-locknut-29711 .rp-specs tr:last-child th,\n  .richpen-needle-locknut-29711 .rp-specs tr:last-child td {\n    border-bottom: 0;\n  }\n\n  .richpen-needle-locknut-29711 .rp-note {\n    margin-bottom: 24px;\n    padding: 17px 19px;\n    background: var(--rp-note-bg);\n    border: 1px solid var(--rp-note-border);\n    border-left: 4px solid var(--rp-note-border);\n    border-radius: 8px;\n  }\n\n  .richpen-needle-locknut-29711 .rp-note p {\n    margin: 0;\n  }\n\n  .richpen-needle-locknut-29711 .rp-faq details {\n    margin-bottom: 11px;\n    overflow: hidden;\n    background: #ffffff;\n    border: 1px solid var(--rp-border);\n    border-radius: 8px;\n  }\n\n  .richpen-needle-locknut-29711 .rp-faq summary {\n    position: relative;\n    padding: 16px 46px 16px 17px;\n    color: var(--rp-heading);\n    font-weight: 700;\n    cursor: pointer;\n    list-style: none;\n  }\n\n  .richpen-needle-locknut-29711 .rp-faq summary::-webkit-details-marker {\n    display: none;\n  }\n\n  .richpen-needle-locknut-29711 .rp-faq summary::after {\n    content: \"+\";\n    position: absolute;\n    top: 50%;\n    right: 18px;\n    font-size: 24px;\n    font-weight: 400;\n    transform: translateY(-50%);\n  }\n\n  .richpen-needle-locknut-29711 .rp-faq details[open] summary::after {\n    content: \"−\";\n  }\n\n  .richpen-needle-locknut-29711 .rp-faq-answer {\n    padding: 0 17px 17px;\n    color: var(--rp-muted);\n  }\n\n  @media (max-width: 700px) {\n    .richpen-needle-locknut-29711 .rp-grid {\n      grid-template-columns: 1fr;\n    }\n\n    .richpen-needle-locknut-29711 .rp-card,\n    .richpen-needle-locknut-29711 .rp-section {\n      padding: 19px;\n    }\n\n    .richpen-needle-locknut-29711 .rp-specs th,\n    .richpen-needle-locknut-29711 .rp-specs td {\n      display: block;\n      width: 100%;\n      padding: 8px 4px;\n    }\n\n    .richpen-needle-locknut-29711 .rp-specs th {\n      padding-bottom: 1px;\n      border-bottom: 0;\n    }\n\n    .richpen-needle-locknut-29711 .rp-specs td {\n      padding-top: 1px;\n    }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"richpen-needle-locknut-29711\"\u003e\n\n  \u003csection class=\"rp-hero\"\u003e\n    \u003cspan class=\"rp-label\"\u003eRichPen Airbrush Replacement Part\u003c\/span\u003e\n\n    \u003ch2\u003eRichPen Needle Locknut 29711 for Apollo 112A, 112B and 113C Airbrushes\u003c\/h2\u003e\n\n    \u003cp class=\"rp-intro\"\u003e\n      Replace a worn, damaged, or missing needle locknut in a compatible\n      RichPen Apollo airbrush with the RichPen Needle Locknut 29711. This\n      internal replacement component is listed for the RichPen Apollo 112A,\n      Apollo 112B, and Apollo 113C airbrushes.\n    \u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003cdiv class=\"rp-grid\"\u003e\n\n    \u003csection class=\"rp-card\"\u003e\n      \u003ch3\u003eKey Features\u003c\/h3\u003e\n\n      \u003cul\u003e\n        \u003cli\u003e\n          \u003cstrong\u003eReplacement needle locknut\u003c\/strong\u003e for compatible RichPen\n          Apollo airbrush models.\n        \u003c\/li\u003e\n\n        \u003cli\u003e\n          \u003cstrong\u003eCompatible with Apollo 112A, Apollo 112B, and Apollo 113C\u003c\/strong\u003e\n          airbrushes.\n        \u003c\/li\u003e\n\n        \u003cli\u003e\n          \u003cstrong\u003eManufacturer SKU 29711\u003c\/strong\u003e provides an exact reference\n          for selecting the correct internal replacement component.\n        \u003c\/li\u003e\n\n        \u003cli\u003e\n          \u003cstrong\u003ePart of the rear needle assembly\u003c\/strong\u003e used to help hold\n          the airbrush needle securely in position.\n        \u003c\/li\u003e\n\n        \u003cli\u003e\n          \u003cstrong\u003eTextured outer surface\u003c\/strong\u003e supports finger adjustment\n          during airbrush disassembly and reassembly.\n        \u003c\/li\u003e\n\n        \u003cli\u003e\n          This listing includes the needle locknut only, not the needle,\n          handle, needle support, spring, or complete airbrush.\n        \u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/section\u003e\n\n    \u003csection class=\"rp-card\"\u003e\n      \u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\n      \u003ctable class=\"rp-specs\"\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n            \u003cth scope=\"row\"\u003eBrand\u003c\/th\u003e\n            \u003ctd\u003eRichPen\u003c\/td\u003e\n          \u003c\/tr\u003e\n\n          \u003ctr\u003e\n            \u003cth scope=\"row\"\u003eProduct Name\u003c\/th\u003e\n            \u003ctd\u003eNeedle Locknut\u003c\/td\u003e\n          \u003c\/tr\u003e\n\n          \u003ctr\u003e\n            \u003cth scope=\"row\"\u003eManufacturer SKU\u003c\/th\u003e\n            \u003ctd\u003e29711\u003c\/td\u003e\n          \u003c\/tr\u003e\n\n          \u003ctr\u003e\n            \u003cth scope=\"row\"\u003eProduct Type\u003c\/th\u003e\n            \u003ctd\u003eReplacement airbrush needle locknut\u003c\/td\u003e\n          \u003c\/tr\u003e\n\n          \u003ctr\u003e\n            \u003cth scope=\"row\"\u003eCompatible Series\u003c\/th\u003e\n            \u003ctd\u003eRichPen Apollo\u003c\/td\u003e\n          \u003c\/tr\u003e\n\n          \u003ctr\u003e\n            \u003cth scope=\"row\"\u003eCompatible Models\u003c\/th\u003e\n            \u003ctd\u003eRichPen Apollo 112A, Apollo 112B, and Apollo 113C\u003c\/td\u003e\n          \u003c\/tr\u003e\n\n          \u003ctr\u003e\n            \u003cth scope=\"row\"\u003eInstallation Area\u003c\/th\u003e\n            \u003ctd\u003eRear internal needle assembly\u003c\/td\u003e\n          \u003c\/tr\u003e\n\n          \u003ctr\u003e\n            \u003cth scope=\"row\"\u003eVisible Finish\u003c\/th\u003e\n            \u003ctd\u003eSilver-colored\u003c\/td\u003e\n          \u003c\/tr\u003e\n\n          \u003ctr\u003e\n            \u003cth scope=\"row\"\u003eIncluded Component\u003c\/th\u003e\n            \u003ctd\u003e1 replacement needle locknut\u003c\/td\u003e\n          \u003c\/tr\u003e\n\n          \u003ctr\u003e\n            \u003cth scope=\"row\"\u003eCountry of Origin\u003c\/th\u003e\n            \u003ctd\u003eJapan\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/section\u003e\n\n  \u003c\/div\u003e\n\n  \u003csection class=\"rp-section\"\u003e\n    \u003ch3\u003eCompatible RichPen Apollo Airbrushes\u003c\/h3\u003e\n\n    \u003cp\u003e\n      The RichPen Needle Locknut 29711 is listed for the\n      \u003ca href=\"https:\/\/spraygunner.com\/products\/richpen-apollo-112a-0-2mm-gravity-feed-airbrush\"\u003eRichPen Apollo 112A 0.2mm gravity-feed airbrush\u003c\/a\u003e,\n      \u003ca href=\"https:\/\/spraygunner.com\/products\/richpen-apollo-112b-0-2mm-gravity-feed-airbrush\"\u003eRichPen Apollo 112B 0.2mm gravity-feed airbrush\u003c\/a\u003e,\n      and\n      \u003ca href=\"https:\/\/spraygunner.com\/products\/richpen-apollo-113c-0-3mm-gravity-feed-airbrush\"\u003eRichPen Apollo 113C 0.3mm gravity-feed airbrush\u003c\/a\u003e.\n    \u003c\/p\u003e\n\n    \u003cp\u003e\n      Confirm both the airbrush model and manufacturer SKU before ordering.\n      Needle locknuts from different airbrushes may appear similar while using\n      different threads, openings, lengths, or fitting requirements.\n    \u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"rp-section\"\u003e\n    \u003ch3\u003ePart of the Rear Needle Assembly\u003c\/h3\u003e\n\n    \u003cp\u003e\n      The needle locknut is located within the rear section of the compatible\n      airbrush. It is used as part of the mechanism that holds the needle so\n      the trigger assembly can move it forward and backward during spraying.\n    \u003c\/p\u003e\n\n    \u003cp\u003e\n      Correct installation helps maintain dependable needle movement and paint\n      control. A loose, damaged, or missing locknut may prevent the needle from\n      moving correctly with the trigger.\n    \u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"rp-section\"\u003e\n    \u003ch3\u003eWhen the Needle Locknut May Need Replacement\u003c\/h3\u003e\n\n    \u003cul\u003e\n      \u003cli\u003eThe original needle locknut is missing after maintenance.\u003c\/li\u003e\n      \u003cli\u003eThe internal threads are worn, stripped, or damaged.\u003c\/li\u003e\n      \u003cli\u003eThe locknut no longer holds the needle securely.\u003c\/li\u003e\n      \u003cli\u003eThe textured outer surface is damaged and difficult to grip.\u003c\/li\u003e\n      \u003cli\u003eThe component is bent, cracked, or no longer seats correctly.\u003c\/li\u003e\n      \u003cli\u003eThe needle slips even after correct adjustment and cleaning.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n  \u003cdiv class=\"rp-note\"\u003e\n    \u003cp\u003e\n      \u003cstrong\u003eProduct Notice:\u003c\/strong\u003e This listing includes one RichPen Needle\n      Locknut 29711 only. The airbrush, needle, handle, needle support, needle\n      spring, spring screw, and other internal components are not included.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"rp-note\"\u003e\n    \u003cp\u003e\n      \u003cstrong\u003eCompatibility Notice:\u003c\/strong\u003e Compatibility is confirmed for\n      the RichPen Apollo 112A, Apollo 112B, and Apollo 113C. Do not select an\n      internal airbrush component based only on visual similarity.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003csection class=\"rp-section\"\u003e\n    \u003ch3\u003eInstallation and Inspection Guidance\u003c\/h3\u003e\n\n    \u003cul\u003e\n      \u003cli\u003eConfirm the exact RichPen Apollo airbrush model.\u003c\/li\u003e\n      \u003cli\u003eRemove the rear handle carefully before accessing the needle assembly.\u003c\/li\u003e\n      \u003cli\u003eWork over a clean surface so the small locknut is not lost.\u003c\/li\u003e\n      \u003cli\u003eInspect the needle and nearby components for dried paint or damage.\u003c\/li\u003e\n      \u003cli\u003eBegin threading the locknut carefully without forcing it.\u003c\/li\u003e\n      \u003cli\u003eInsert and position the needle gently before securing the locknut.\u003c\/li\u003e\n      \u003cli\u003eTighten only enough to hold the needle securely.\u003c\/li\u003e\n      \u003cli\u003eConfirm smooth trigger and needle movement after reassembly.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"rp-section\"\u003e\n    \u003ch3\u003eCheck the Needle Before Reassembly\u003c\/h3\u003e\n\n    \u003cp\u003e\n      Inspect the compatible needle for bending, scratches, dried paint, or\n      tip damage before securing it with the replacement locknut. A damaged or\n      dirty needle may continue to affect trigger movement and spray\n      performance.\n    \u003c\/p\u003e\n\n    \u003cp\u003e\n      Clean reusable components with an airbrush cleaner compatible with the\n      paint being removed. Allow all parts to dry before reassembling and\n      testing the airbrush.\n    \u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"rp-section rp-faq\"\u003e\n    \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhich RichPen airbrushes use Needle Locknut 29711?\u003c\/summary\u003e\n\n      \u003cdiv class=\"rp-faq-answer\"\u003e\n        The RichPen Needle Locknut 29711 is listed for the Apollo 112A,\n        Apollo 112B, and Apollo 113C airbrushes.\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat does the needle locknut do?\u003c\/summary\u003e\n\n      \u003cdiv class=\"rp-faq-answer\"\u003e\n        It forms part of the rear needle assembly and helps hold the airbrush\n        needle so it can move with the trigger mechanism.\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eIs this listing for a complete RichPen airbrush?\u003c\/summary\u003e\n\n      \u003cdiv class=\"rp-faq-answer\"\u003e\n        No. This listing includes one replacement needle locknut only. The\n        complete airbrush and other internal components are not included.\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eDoes Needle Locknut 29711 include a replacement needle?\u003c\/summary\u003e\n\n      \u003cdiv class=\"rp-faq-answer\"\u003e\n        No. The airbrush needle is a separate component and is not included\n        with the replacement needle locknut.\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan this locknut be used with another RichPen model?\u003c\/summary\u003e\n\n      \u003cdiv class=\"rp-faq-answer\"\u003e\n        Compatibility is confirmed only for the RichPen Apollo 112A, 112B, and\n        113C. Other models may use components with different dimensions or\n        threads.\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow tightly should the needle locknut be installed?\u003c\/summary\u003e\n\n      \u003cdiv class=\"rp-faq-answer\"\u003e\n        Tighten it only enough to hold the needle securely. Do not force or\n        overtighten the component because this may damage the threads or\n        surrounding parts.\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat can cause the needle to slip besides the locknut?\u003c\/summary\u003e\n\n      \u003cdiv class=\"rp-faq-answer\"\u003e\n        Dried paint, an incorrectly positioned needle, damaged internal parts,\n        worn threads, or improper assembly may also prevent the needle from\n        moving correctly.\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eShould the airbrush be tested after replacement?\u003c\/summary\u003e\n\n      \u003cdiv class=\"rp-faq-answer\"\u003e\n        Yes. Confirm smooth trigger and needle movement, then test the airbrush\n        with cleaner or water before spraying paint.\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n  \u003c\/section\u003e\n\n  \u003csection class=\"rp-section\"\u003e\n    \u003ch3\u003eView the Compatible RichPen Airbrushes\u003c\/h3\u003e\n\n    \u003cp\u003e\n      Review the\n      \u003ca href=\"https:\/\/spraygunner.com\/products\/richpen-apollo-112a-0-2mm-gravity-feed-airbrush\"\u003eRichPen Apollo 112A\u003c\/a\u003e,\n      \u003ca href=\"https:\/\/spraygunner.com\/products\/richpen-apollo-112b-0-2mm-gravity-feed-airbrush\"\u003eRichPen Apollo 112B\u003c\/a\u003e,\n      or\n      \u003ca href=\"https:\/\/spraygunner.com\/products\/richpen-apollo-113c-0-3mm-gravity-feed-airbrush\"\u003eRichPen Apollo 113C\u003c\/a\u003e\n      before selecting this replacement needle locknut.\n    \u003c\/p\u003e\n  \u003c\/section\u003e\n\n\u003c\/div\u003e","brand":"RichPen","offers":[{"title":"Default Title","offer_id":43892838269090,"sku":"29711","price":4.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/6159\/9138\/files\/B-and-113C-Airbrush-RichPen-27137371.jpg?v=1762443974","url":"https:\/\/spraygunner.com\/products\/richpen-needle-locknut-29711","provider":"SprayGunner","version":"1.0","type":"link"}