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 6110-01-644-4319
NSN 5915-01-633-9845
NSN 5965-01-241-0553
NSN 7035-01-098-5474
NSN 6130-01-094-2735
NSN 5920-01-561-4684
NSN 5915-01-333-4284
NSN 5855-01-328-7434
NSN 5960-00-220-9717
NSN 5915-01-589-0171
NSN 5915-01-311-5416
NSN 5975-01-132-6177