{"product_id":"springfield-1680203-locking-spring-lock-seat-mount-swivel-6-5-8-inch-square-black-powder-coat","title":"Springfield 1680203 Locking Spring-Lock Seat Mount Swivel, 6-5\/8 Inch Square, Black Powder Coat","description":"\u003cp\u003eThe Springfield 1680203 is a locking Spring-Lock seat mount swivel designed to attach a boat seat to any locking Spring-Lock or Clip-Lock post that does not have an expansion collar (expansion collar sold separately). It is the top mounting plate that locks onto the post, letting the seat swivel and lock in position while boating. The swivel measures 6-5\/8 inches square and adds 1\/4 inch to the overall height of the post once installed.\u003c\/p\u003e\u003cp\u003eConstruction is a marine-grade alloy finished in a black powder coat for rust resistance and long-term durability in wet, salt-air marine environments. The part carries an ABYC A rating and is retail packed in a clamshell with a 4-color label, so it arrives ready to install without additional hardware sourcing. It is a universal fit item, compatible with any locking Spring-Lock or Clip-Lock post system that lacks an expansion collar, making it a straightforward upgrade or replacement swivel for existing Springfield seating setups.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Springfield\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 1680203\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Locking Spring-Lock Seat Mount Swivel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 6-5\/8 inch square\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black powder coat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Marine-grade alloy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.6 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight Added to Post:\u003c\/strong\u003e 1\/4 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eABYC Rating:\u003c\/strong\u003e A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack Quantity:\u003c\/strong\u003e 1 (retail)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFit Type:\u003c\/strong\u003e Universal fit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible With:\u003c\/strong\u003e Locking Spring-Lock or Clip-Lock post without expansion collar\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 038132451049\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits any locking Spring-Lock or Clip-Lock boat seat post that does not have an expansion collar (expansion collar sold separately).\u003c\/p\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat is the Springfield 1680203 used for?\u003c\/strong\u003e It is the locking seat mount swivel that attaches on top of a boat seat post, letting the seat lock into position and swivel freely while underway.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill the 1680203 fit any boat seat post?\u003c\/strong\u003e It fits any locking Spring-Lock or Clip-Lock post that does not have an expansion collar; if your post uses an expansion collar, that component is sold separately and is not included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat size is this seat mount swivel?\u003c\/strong\u003e The Springfield 1680203 measures 6-5\/8 inches square.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much height does the 1680203 add to my seat post?\u003c\/strong\u003e Installing the 1680203 adds 1\/4 inch to the overall height of the seat post.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat material and finish does the 1680203 have?\u003c\/strong\u003e It is made of marine-grade alloy with a black powder coat finish for rust resistance in marine environments.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the Springfield 1680203 weigh?\u003c\/strong\u003e The 1680203 weighs 1.6 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the 1680203 an OEM Springfield part?\u003c\/strong\u003e Yes, 1680203 is the genuine Springfield part number for this locking Spring-Lock seat mount swivel, not a generic aftermarket copy.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the 1680203 come with mounting hardware?\u003c\/strong\u003e The 1680203 is retail packed in a clamshell as the seat mount swivel itself; it does not include an expansion collar, which is sold separately if your post requires one.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the Springfield 1680203 rated for marine use?\u003c\/strong\u003e It carries an ABYC A rating and its black powder coat finish is built for rust resistance in wet, salt-air boating conditions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan the 1680203 be used to replace a worn seat swivel?\u003c\/strong\u003e Yes, it is designed as a direct replacement or upgrade swivel for any compatible locking Spring-Lock or Clip-Lock post without an expansion collar.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this swivel a universal fit or model-specific?\u003c\/strong\u003e The 1680203 is a universal fit part, compatible with any locking Spring-Lock or Clip-Lock post that lacks an expansion collar, rather than being tied to one specific boat model.\u003c\/p\u003e","brand":"Springfield","offers":[{"title":"Default Title","offer_id":49025165983963,"sku":"S-M-1680203","price":42.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/1680203__56247.1722507006.500.750.jpg?v=1785329198","url":"https:\/\/www.goodvibesmarina.com\/products\/springfield-1680203-locking-spring-lock-seat-mount-swivel-6-5-8-inch-square-black-powder-coat","provider":"Good Vibes Marina","version":"1.0","type":"link"}