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 6645-01-505-5772
NSN 6145-00-931-8420
NSN 4140-01-109-6834
NSN 5925-00-127-1436
NSN 5905-00-168-9283
NSN 5985-00-500-0269
NSN 5965-01-487-4479
NSN 5985-01-521-3988
NSN 6320-00-908-6841
NSN 6145-01-063-6486
NSN 4140-00-885-5958
NSN 5835-01-245-8077