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 6105-01-315-4012
NSN 6150-01-553-4097
NSN 5905-01-520-5659
NSN 5975-01-017-7726
NSN 6220-01-270-9885
NSN 6110-01-333-0651
NSN 6645-00-757-5396
NSN 6130-01-304-6214
NSN 7035-01-633-8543
NSN 5999-00-189-4922
NSN 5960-01-328-8248
NSN 7035-01-302-5359