A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. It does not have a stem or provisions for pressure adjustments, and is similar to a valve, check with the exception of the orifice which permits fluid flow in more than one direction.
Classification: Check valves of materials other than copper, iron or steel
NSN 5910-01-597-5475
NSN 5920-01-269-0784
NSN 5998-01-359-5006
NSN 5920-01-044-5621
NSN 5920-00-549-2203
NSN 6620-01-542-8709
NSN 2925-01-177-1598
NSN 5925-00-491-2686
NSN 6240-01-321-9552
NSN 5998-00-596-9568
NSN 2925-01-088-3612
NSN 5945-00-788-1415