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 2925-01-565-6410
NSN 5975-01-642-1802
NSN 6685-01-240-0481
NSN 6145-01-369-8025
NSN 5935-01-206-7538
NSN 5975-01-317-6033
NSN 5950-01-014-0763
NSN 5835-01-485-0210
NSN 6135-01-462-6040
NSN 5945-01-351-5354
NSN 5965-01-016-8491
NSN 6685-00-236-2225