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 6105-00-321-9534
NSN 5910-00-202-1056
NSN 6240-00-034-5909
NSN 5960-01-383-6262
NSN 5960-00-535-9692
NSN 6130-01-094-2735
NSN 2925-01-008-1552
NSN 2925-01-215-5022
NSN 6220-01-076-7851
NSN 5965-01-152-9004
NSN 2925-01-250-2731
NSN 5915-01-531-1075