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 5925-00-975-0975
NSN 4140-01-246-4267
NSN 5835-01-442-6482
NSN 7035-01-435-7962
NSN 5960-00-512-9121
NSN 6220-00-827-0227
NSN 5975-01-052-7661
NSN 6650-00-775-6560
NSN 7035-01-472-1999
NSN 5935-01-125-6871
NSN 6145-00-259-6946
NSN 7035-00-929-0363