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 6145-00-213-9177
NSN 5835-01-111-9838
NSN 6320-00-228-5678
NSN 6240-01-032-5105
NSN 6220-01-509-2664
NSN 6610-01-262-2273
NSN 6135-01-134-7222
NSN 5925-01-291-5508
NSN 6130-01-111-9246
NSN 5998-01-086-8846
NSN 6105-01-494-3848
NSN 5895-00-950-3525