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 6145-00-081-5844
NSN 4140-01-429-8545
NSN 5910-00-467-6806
NSN 5930-00-223-4515
NSN 6240-01-537-1176
NSN 6685-01-053-9433
NSN 5935-00-905-6492
NSN 5965-01-241-0553
NSN 5950-00-805-0925
NSN 5975-01-566-0950
NSN 4140-01-641-6080
NSN 6150-01-240-4238