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 6130-01-460-8885
NSN 6145-01-535-6220
NSN 6645-01-069-3286
NSN 5915-00-553-8755
NSN 6145-01-548-8854
NSN 6320-01-592-6248
NSN 5985-00-649-8318
NSN 6135-01-613-9509
NSN 5925-00-695-9414
NSN 6650-00-266-6808
NSN 6240-00-947-2006
NSN 5999-00-283-4258