A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
NSN 5920-01-483-2299
NSN 5910-01-098-5169
NSN 6650-00-957-8563
NSN 5905-01-096-1222
NSN 6130-01-357-6602
NSN 5855-01-526-4703
NSN 5910-01-434-4964
NSN 6320-00-110-8005
NSN 5960-00-929-8002
NSN 5905-01-043-0455
NSN 6240-00-299-6468
NSN 2925-00-185-1618