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 5945-00-182-7384
NSN 6110-01-123-3240
NSN 5855-01-608-2417
NSN 5975-01-465-5059
NSN 6650-01-546-3605
NSN 6645-01-647-3723
NSN 6110-01-606-8699
NSN 7035-01-658-8075
NSN 6620-01-515-9597
NSN 6130-01-250-4387
NSN 6135-01-048-0910
NSN 5965-00-791-0964