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 5905-01-512-9136
NSN 5998-01-524-6122
NSN 5855-01-180-5369
NSN 6105-00-174-2911
NSN 5998-00-001-4642
NSN 5985-01-014-4924
NSN 4140-00-279-3148
NSN 5945-00-138-1469
NSN 5905-01-620-6985
NSN 5998-01-216-3909
NSN 6240-01-332-4554
NSN 6610-01-070-7034