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 6685-00-930-9257
NSN 5945-01-554-5022
NSN 6105-01-611-1220
NSN 5965-01-468-3732
NSN 6650-01-168-8451
NSN 5975-01-464-4293
NSN 6135-01-598-9889
NSN 5895-01-188-5616
NSN 2925-01-391-1540
NSN 5965-01-463-6813
NSN 6145-01-254-2935
NSN 2925-01-239-6044