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 6145-01-474-4702
NSN 5930-00-852-9543
NSN 6150-01-377-2620
NSN 6110-00-373-8691
NSN 5960-01-323-6432
NSN 5835-00-242-3763
NSN 6130-01-582-3381
NSN 5925-01-241-8464
NSN 6105-00-455-1381
NSN 6150-01-040-6987
NSN 5960-00-644-4982
NSN 2925-00-120-9302