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 6105-00-804-9485
NSN 5998-01-443-8907
NSN 6320-01-195-5583
NSN 5975-01-024-6960
NSN 5999-00-905-9690
NSN 5905-01-166-3139
NSN 5910-00-897-9448
NSN 6610-00-308-9034
NSN 6320-01-558-8844
NSN 6135-01-014-3144
NSN 6240-01-133-5950
NSN 5910-00-128-7985