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 5945-01-051-6309
NSN 5945-01-611-4389
NSN 5998-00-248-7221
NSN 5996-01-603-2139
NSN 5925-01-095-9990
NSN 6145-01-364-6011
NSN 5915-01-585-6388
NSN 5950-00-100-1345
NSN 5925-01-410-8515
NSN 5905-01-152-4023
NSN 5920-01-082-2056
NSN 6685-01-364-7488