{"product_id":"springfield-1640403-spring-lock-fixed-height-post-15-5-inch-stainless-steel-boat-seat-post","title":"Springfield 1640403 Spring-Lock Fixed Height Post, 15.5 Inch Stainless Steel Boat Seat Post","description":"\u003cp\u003eThe Springfield 1640403 Spring-Lock Fixed Height Post is a 15.5 inch stainless steel post designed to raise and secure a boat seat within a compatible pedestal system. It uses a spring-lock mechanism to hold the seat firmly in place at a fixed height, giving boaters a stable, rattle-free seating position while underway. The post is machined from stainless steel for corrosion resistance in a marine environment and finished in silver to match common pedestal hardware.\u003c\/p\u003e\u003cp\u003eWith a post diameter of 1.77 inches, this Springfield post is interchangeable with other pedestal systems built around the same 1.77 inch post size, making it a convenient option for replacing a worn or damaged post or for building out a new pedestal seating setup. It ships as a single 15.5 inch post, ready to drop into a compatible pedestal base and seat mount.\u003c\/p\u003e\u003cp\u003eThis is a genuine Springfield part carrying the manufacturer part number 1640403, so buyers can confirm compatibility with their existing Springfield pedestal hardware or any other pedestal accepting a 1.77 inch post before ordering.\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 1640403\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Spring-Lock Fixed Height Post\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePost Length:\u003c\/strong\u003e 15.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePost Diameter:\u003c\/strong\u003e 1.77 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor\/Finish:\u003c\/strong\u003e Silver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.7 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Length:\u003c\/strong\u003e 20 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Width:\u003c\/strong\u003e 3.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Height:\u003c\/strong\u003e 2.25 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 038132452039\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFit Type:\u003c\/strong\u003e Universal Fit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eHow long is the Springfield 1640403 spring-lock post?\u003c\/strong\u003e The post measures 15.5 inches, referred to as the 15-1\/2 inch length in Springfield's spring-lock post lineup under part number 1640403.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat post diameter does this Springfield post use?\u003c\/strong\u003e It has a 1.77 inch post diameter, which makes the 1640403 interchangeable with other pedestal systems built around that same 1.77 inch post size.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this a fixed height post or an adjustable one?\u003c\/strong\u003e The 1640403 is a fixed height post that uses a spring-lock mechanism to hold the seat at a set height, rather than a height-adjustable design.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat material is the Springfield 1640403 post made from?\u003c\/strong\u003e It is made from stainless steel, chosen for corrosion resistance in marine conditions and a lasting finish.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat color is this seat post?\u003c\/strong\u003e The Springfield 1640403 post has a silver finish.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does this post weigh?\u003c\/strong\u003e The Springfield 1640403 spring-lock post weighs 1.7 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill this post fit my existing boat seat pedestal?\u003c\/strong\u003e Yes, as long as your pedestal system accepts a 1.77 inch diameter post; the Springfield 1640403 is designed to interchange with pedestals using that post size.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is included when I order part number 1640403?\u003c\/strong\u003e You receive one Springfield spring-lock fixed height post measuring 15.5 inches; the seat and pedestal base are ordered separately.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the Springfield 1640403 a genuine Springfield part?\u003c\/strong\u003e Yes, it is a genuine Springfield component identified by manufacturer part number 1640403.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow does the spring-lock mechanism work on this post?\u003c\/strong\u003e The spring-lock mechanism engages to hold the post at its fixed height within the pedestal, keeping the seat secure and stable while the boat is underway.\u003c\/p\u003e","brand":"Springfield","offers":[{"title":"Default Title","offer_id":49025165656283,"sku":"S-M-1640403","price":61.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/416xZlzohnL.jpg?v=1785330996","url":"https:\/\/www.goodvibesmarina.com\/products\/springfield-1640403-spring-lock-fixed-height-post-15-5-inch-stainless-steel-boat-seat-post","provider":"Good Vibes Marina","version":"1.0","type":"link"}