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 6105-01-152-5987
NSN 5990-01-188-7309
NSN 5999-01-526-9331
NSN 5895-01-344-3713
NSN 5975-01-484-3406
NSN 5996-01-501-7889
NSN 5905-01-148-6262
NSN 6645-01-578-6815
NSN 6135-01-591-7139
NSN 5985-01-378-5941
NSN 5990-01-453-3552
NSN 6320-01-054-3046