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 6650-01-553-1853
NSN 4140-01-142-8340
NSN 7035-01-186-0024
NSN 4140-00-790-4691
NSN 5975-01-335-5209
NSN 5950-01-218-4877
NSN 6320-01-275-2741
NSN 5930-00-105-9423
NSN 5996-01-456-4524
NSN 7035-00-421-8710
NSN 2925-01-394-5650
NSN 7035-01-198-1512