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 6150-00-535-4190
NSN 6110-01-650-4014
NSN 6145-00-553-8196
NSN 5905-00-256-8402
NSN 5895-01-423-9146
NSN 6145-00-779-3454
NSN 6150-01-258-8412
NSN 5920-01-569-7475
NSN 5905-00-682-4264
NSN 5975-01-602-9402
NSN 6130-01-506-8458
NSN 5996-01-384-4937