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 6145-01-075-1042
NSN 5945-01-626-6363
NSN 5975-01-326-0268
NSN 5985-01-646-7976
NSN 6645-00-226-2270
NSN 5990-01-370-3672
NSN 7035-01-457-0371
NSN 7035-01-283-2536
NSN 6685-01-411-1380
NSN 6135-01-281-4758
NSN 5965-01-549-1249
NSN 5950-00-236-8629