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 6320-01-290-5271
NSN 7035-00-406-0568
NSN 5990-00-568-4940
NSN 5965-01-308-9338
NSN 5915-00-221-9610
NSN 5915-00-960-4786
NSN 6240-01-603-0143
NSN 5835-01-156-5622
NSN 6685-00-551-2967
NSN 5990-01-546-1649
NSN 6150-00-726-4456
NSN 5960-01-485-0437