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 6110-01-633-9660
NSN 6685-01-626-4601
NSN 6220-00-905-8498
NSN 6645-01-022-2632
NSN 5998-00-469-9798
NSN 5965-01-147-5847
NSN 6650-01-467-8818
NSN 5895-01-188-7227
NSN 5945-00-208-5763
NSN 6610-01-641-7448
NSN 6240-01-224-0052
NSN 5925-01-297-3150