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 4140-00-224-5533
NSN 5910-01-296-5331
NSN 6130-01-088-3817
NSN 5935-00-885-7168
NSN 6645-00-847-3727
NSN 5925-01-253-9830
NSN 5925-01-468-7146
NSN 6240-01-160-7934
NSN 5910-00-490-0242
NSN 5915-01-055-9248
NSN 5950-00-730-4508
NSN 6685-00-287-6596