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 6650-00-153-3155
NSN 6145-01-648-1491
NSN 6685-00-912-1847
NSN 6150-01-370-6189
NSN 5910-00-143-4984
NSN 6130-01-269-8469
NSN 6135-01-079-7852
NSN 5895-00-995-6794
NSN 6685-01-219-9084
NSN 5895-01-116-2525
NSN 6220-01-323-5408
NSN 5920-01-328-0715