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 5975-01-314-0650
NSN 5965-01-411-4767
NSN 6610-01-431-8575
NSN 6610-00-935-7131
NSN 6135-01-110-8022
NSN 5925-01-208-8920
NSN 5920-00-373-3636
NSN 6135-00-904-6780
NSN 6130-00-021-4742
NSN 6105-00-618-0153
NSN 6145-01-094-6108
NSN 5965-01-032-9146