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 5935-00-442-6518
NSN 6685-00-906-1643
NSN 5935-01-652-2713
NSN 5910-01-322-8032
NSN 5999-01-434-7010
NSN 5950-01-226-5486
NSN 6105-01-202-6690
NSN 6320-01-429-9871
NSN 5930-01-328-7532
NSN 2925-01-625-6841
NSN 5950-01-640-8715
NSN 6320-01-462-2295