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 6105-01-032-1434
NSN 5999-00-410-0358
NSN 6220-01-539-6598
NSN 6650-00-450-1749
NSN 5905-01-421-1241
NSN 5925-01-438-8542
NSN 5950-01-005-5786
NSN 6110-01-475-4761
NSN 6105-01-109-1876
NSN 6610-01-535-0310
NSN 7035-01-175-4321
NSN 5905-01-142-7751