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 7035-01-162-5230
NSN 6130-01-514-0420
NSN 5975-00-123-0610
NSN 6240-01-419-7798
NSN 5915-01-602-9324
NSN 2925-01-196-6187
NSN 5985-00-126-1104
NSN 5925-00-759-0660
NSN 5985-00-151-4538
NSN 6135-01-338-2281
NSN 5915-01-410-7822
NSN 6220-01-114-2959