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 5930-01-026-5148
NSN 4140-00-245-2715
NSN 6145-01-219-1369
NSN 6145-00-150-5049
NSN 5996-01-555-7690
NSN 5855-00-494-9581
NSN 7035-00-803-3056
NSN 5945-01-580-4954
NSN 6145-01-503-2394
NSN 6110-01-478-9100
NSN 6320-01-119-3935
NSN 5920-01-020-7659