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 6320-00-270-8222
NSN 5895-01-258-0484
NSN 5975-00-435-5929
NSN 5925-00-870-9905
NSN 5910-01-323-4717
NSN 5965-01-478-1175
NSN 5975-01-457-9491
NSN 6620-00-811-7614
NSN 6650-00-957-0714
NSN 5990-01-576-4383
NSN 5905-01-085-4492
NSN 6240-01-160-8499