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 5985-00-151-4538
NSN 4140-01-281-0222
NSN 6145-01-124-5861
NSN 5965-01-180-7070
NSN 5925-01-388-2763
NSN 5930-01-467-5917
NSN 6320-00-994-0179
NSN 5985-01-390-4030
NSN 5935-00-089-1745
NSN 6645-01-071-0727
NSN 6145-01-515-2450
NSN 5835-01-149-6855