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 5965-00-486-7907
NSN 6145-01-657-2283
NSN 5950-00-946-9598
NSN 5975-01-395-1366
NSN 5910-00-284-5501
NSN 5925-01-548-3130
NSN 5996-00-965-5261
NSN 5925-01-046-7448
NSN 5915-00-359-3271
NSN 5910-01-649-6135
NSN 6135-01-052-9634
NSN 5998-01-158-4961