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 4140-01-076-3720
NSN 6240-00-416-6140
NSN 5996-00-968-5091
NSN 5975-00-229-9593
NSN 5855-01-267-2751
NSN 5835-00-821-8555
NSN 6685-01-609-4705
NSN 5990-00-212-4316
NSN 5910-00-216-4726
NSN 5985-00-446-6132
NSN 5915-01-311-5416
NSN 5996-00-617-7689