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 6610-01-032-7585
NSN 6130-00-252-6407
NSN 5930-01-218-5497
NSN 5985-00-128-6215
NSN 6145-00-925-2004
NSN 6150-01-658-5274
NSN 5960-01-120-6523
NSN 6105-00-126-2620
NSN 5855-00-106-1640
NSN 2925-00-137-5120
NSN 6130-00-352-2317
NSN 5855-01-242-6494