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 6610-01-265-1824
NSN 5915-00-248-5824
NSN 5915-00-269-4463
NSN 5950-01-581-4571
NSN 5895-00-327-4911
NSN 5905-01-045-1232
NSN 5998-01-050-1806
NSN 7035-01-512-5396
NSN 5915-01-192-3224
NSN 5965-00-391-0562
NSN 2925-01-043-9786
NSN 5895-00-947-3779