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 5985-01-512-5546
NSN 4140-00-878-1222
NSN 6320-00-857-4073
NSN 7035-01-322-8180
NSN 5965-01-207-0991
NSN 5925-01-152-1931
NSN 5996-01-225-8507
NSN 6240-01-478-3332
NSN 6240-01-004-9634
NSN 5945-01-158-6075
NSN 6135-01-265-1384
NSN 6320-00-036-3688