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 5985-00-390-8837
NSN 5930-01-152-1142
NSN 7035-01-565-8702
NSN 5915-00-594-7786
NSN 5910-01-076-4955
NSN 6110-00-923-6182
NSN 6150-00-286-0827
NSN 6685-01-472-8067
NSN 5935-01-645-5096
NSN 6105-00-008-6140
NSN 7035-00-079-7189
NSN 5920-00-312-7872