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 6220-01-540-3921
NSN 5925-00-156-4044
NSN 6685-00-350-7679
NSN 5935-01-201-1192
NSN 6145-01-027-2055
NSN 6145-00-166-7950
NSN 5999-01-451-1455
NSN 6650-00-144-4555
NSN 5915-00-979-3932
NSN 6135-01-108-6057
NSN 6320-01-441-2438
NSN 6650-01-100-3185