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 5925-01-326-7226
NSN 5905-00-239-3453
NSN 5998-00-816-9752
NSN 5910-01-555-9934
NSN 5950-00-815-8440
NSN 5895-00-197-2852
NSN 7035-01-390-1132
NSN 6220-01-598-6900
NSN 5999-00-056-9564
NSN 5960-01-065-0273
NSN 5998-00-248-7472
NSN 5910-01-185-9089