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 5915-00-022-3496
NSN 6320-01-160-7757
NSN 7035-00-064-7008
NSN 6685-01-483-2616
NSN 5895-00-943-7509
NSN 5930-01-211-7779
NSN 5975-01-142-6860
NSN 6220-01-464-8928
NSN 5935-00-176-2581
NSN 5975-01-046-3658
NSN 6610-01-282-9953
NSN 5930-01-318-4369