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 6620-01-163-3329
NSN 7035-01-122-1264
NSN 6620-01-307-6740
NSN 5945-01-227-9362
NSN 6650-01-601-0381
NSN 6650-01-131-2570
NSN 5965-01-525-0893
NSN 5910-01-025-3357
NSN 6320-01-287-0540
NSN 5975-01-391-3477
NSN 5905-01-176-3533
NSN 6240-01-090-8031