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 5960-01-029-2940
NSN 6240-01-156-4490
NSN 5960-00-265-7576
NSN 6685-00-736-1569
NSN 6105-01-541-3245
NSN 4140-01-426-8428
NSN 5985-01-311-3142
NSN 6135-01-435-6503
NSN 6110-01-025-6139
NSN 6645-00-891-3366
NSN 6620-01-128-4462
NSN 6320-00-450-7014