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 5925-00-782-4742
NSN 5905-01-647-1034
NSN 7035-00-104-7613
NSN 5985-00-273-9539
NSN 6320-01-315-4185
NSN 4140-01-106-2559
NSN 5930-00-942-1313
NSN 6145-01-029-8244
NSN 5915-01-597-8873
NSN 6110-00-104-8009
NSN 6240-01-394-5697
NSN 7035-01-202-8699