{"product_id":"gas-spring-12-in-200n-250n","title":"Gas Spring 12 in Extended, 200 N or 250 N (45 or 56 lbf) | Single or Pair","description":"\u003cp\u003eThis 12 in nitrogen gas spring (gas strut, lift support) holds heavier lids, RV storage bay doors, boat hatches and lift-up cabinets. It comes in 200 N or 250 N. Buy a pair to mount one on each side and avoid side load.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eClosest catalog size: 300 mm. The 12 in length is not an exact catalog match, so only the length, force and pack below are confirmed for this spring.\u003c\/em\u003e\u003c\/p\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eExtended length\u003c\/th\u003e\n\u003ctd\u003e12 in (305 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eForce options\u003c\/th\u003e\n\u003ctd\u003e200 N (45.0 lbf), 250 N (56.2 lbf)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003ctd\u003eSingle (1 spring) or Pair (2 springs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eSizing\u003c\/h3\u003e\u003cp\u003eForce per spring: F1 (N) = 9.81 × (RH × m) \/ (2 × N × X2) + 5, where m = lid mass in kg, RH = opening length in m, X2 = lever arm in m, and N = number of springs. Round up to the next available force. For a 90° opening, stroke ≈ RH \/ 3. 1 kg ≈ 10 N ≈ 2.2 lbf.\u003c\/p\u003e\u003cp\u003eSame-day shipping on in-stock items from Oxnard, CA. Volume, OEM and wholesale pricing: cs@conversionstech.com. \u003ca href=\"https:\/\/conversionstech.com\/cdn\/shop\/files\/CT-29-Gas-Springs-Fittings-Catalog-2026.pdf\"\u003eDownload the CT-29 Gas Springs \u0026amp; Fittings catalog (PDF)\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eA gas spring is not a safety component. Where failure would risk health or life, add an independent locking mechanism.\u003c\/em\u003e\u003c\/p\u003e","brand":"Conversions Tech","offers":[{"title":"200 N (45.0 lbf) \/ Single","offer_id":67741840277556,"sku":"CT-GS-12IN-0200N-1PK","price":6.14,"currency_code":"USD","in_stock":true},{"title":"200 N (45.0 lbf) \/ Pair","offer_id":67741840310324,"sku":"CT-GS-12IN-0200N-2PK","price":12.28,"currency_code":"USD","in_stock":true},{"title":"250 N (56.2 lbf) \/ Single","offer_id":67741840343092,"sku":"CT-GS-12IN-0250N-1PK","price":6.86,"currency_code":"USD","in_stock":true},{"title":"250 N (56.2 lbf) \/ Pair","offer_id":67741840375860,"sku":"CT-GS-12IN-0250N-2PK","price":13.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0291\/8445\/8804\/files\/gas-spring-12-in-extended-200-n-or-250-n-45-or-56-lbf-single-or-pair-1263151965.jpg?v=1792178291","url":"https:\/\/conversionstech.com\/products\/gas-spring-12-in-200n-250n","provider":"Conversions Tech","version":"1.0","type":"link"}