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 6130-01-292-0965
NSN 6610-00-005-4452
NSN 6240-01-213-0143
NSN 5950-00-925-1895
NSN 5985-00-163-1574
NSN 5930-01-164-3333
NSN 6150-01-642-0813
NSN 6320-01-166-3602
NSN 2925-00-989-0523
NSN 6685-00-882-8127
NSN 4140-01-176-5139
NSN 5930-01-044-9680