{"product_id":"1-2x28-crush-washer-for-223-5-56-5-pack-black-oxide-steel-single-use-conical-was-20260806-193706-b0dv","title":"1\/2x28 Crush Washer for .223 5.56, 5 Pack, Black Oxide Steel | Single use conical washer for 1\/2x28 threads. Compresses under torque to seat the mating part square","description":"\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e PLASMAGAL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Items:\u003c\/strong\u003e 5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit Count:\u003c\/strong\u003e 5 Count\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e PLASMAGAL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e SCW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutside Diameter:\u003c\/strong\u003e 0.75 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFastener Size:\u003c\/strong\u003e 1\/2 x 28\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize Name:\u003c\/strong\u003e 1\/2 x 28\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Pieces:\u003c\/strong\u003e 5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Groove Diameter:\u003c\/strong\u003e 13 millimeters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Type:\u003c\/strong\u003e Black Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExterior Finish:\u003c\/strong\u003e Black Oxide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal Type:\u003c\/strong\u003e Alloy Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish Types:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWasher Type:\u003c\/strong\u003e Conical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew Head Style:\u003c\/strong\u003e Countersunk\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size:\u003c\/strong\u003e 1\/2-28\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFastener Type:\u003c\/strong\u003e Washer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet Name:\u003c\/strong\u003e 5-Pack\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAbout this item\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFITS 1\/2x28 THREADS - Also listed as 1\/2-28 or 0.5x28. Check your thread pitch before ordering, as 1\/2x28 and 5\/8x24 are not interchangeable.\u003c\/li\u003e\n\u003cli\u003eCONICAL CRUSH DESIGN - The tapered face compresses as you torque, taking up the gap and seating a muzzle brake or flash hider square against the shoulder.\u003c\/li\u003e\n\u003cli\u003eSINGLE USE - A crush washer deforms permanently under torque. That deformation is what holds the position, and it is why the washer is renewed each time.\u003c\/li\u003e\n\u003cli\u003eFIVE PER PACK - Five washers in one pack, so you have one on hand whenever the mating part comes off and goes back on.\u003c\/li\u003e\n\u003cli\u003eBLACK OXIDE STEEL - Corrosion resistant finish, uniform thickness across the face and deburred edges, so the part seats flat rather than cocking to one side.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PLASMAGAL","offers":[{"title":"Default Title","offer_id":49199528214683,"sku":"B0DV1XLLWF","price":13.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/1973\/6475\/files\/61HDmUz7bnL._SL1500.jpg?v=1786012640","url":"https:\/\/www.fixlydiyshop.com\/products\/1-2x28-crush-washer-for-223-5-56-5-pack-black-oxide-steel-single-use-conical-was-20260806-193706-b0dv","provider":"FixlyDIY","version":"1.0","type":"link"}