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 5935-00-529-0407
NSN 5998-00-600-5032
NSN 6240-00-208-2379
NSN 6145-01-616-9653
NSN 5945-01-446-1707
NSN 6105-01-069-3693
NSN 5905-01-264-0605
NSN 5915-01-231-9174
NSN 6650-01-484-5014
NSN 2925-01-519-3221
NSN 5965-00-929-9415
NSN 6145-01-540-2026