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 5930-00-700-1344
NSN 6240-01-555-0265
NSN 7035-01-227-2546
NSN 2925-01-521-0600
NSN 5950-01-363-2139
NSN 4140-01-598-8969
NSN 6220-00-228-3735
NSN 5960-00-354-3364
NSN 5925-01-101-9480
NSN 5905-01-284-3640
NSN 7035-01-173-5503
NSN 5920-01-408-0658