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 6145-01-648-6353
NSN 2925-01-305-1370
NSN 5975-01-076-3656
NSN 5960-01-187-3103
NSN 4140-01-459-3136
NSN 5905-01-403-2806
NSN 5990-01-476-9956
NSN 6610-01-296-0880
NSN 2925-01-399-2765
NSN 5999-01-196-4104
NSN 6320-01-166-3602
NSN 5996-00-177-2882