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 5999-00-610-7629
NSN 5835-01-580-0446
NSN 5910-00-795-4934
NSN 5835-01-009-2417
NSN 5935-01-406-4329
NSN 5905-00-896-5204
NSN 6145-01-406-4201
NSN 5920-01-129-5886
NSN 6105-01-196-2159
NSN 5915-00-127-2227
NSN 5895-01-587-3525
NSN 5965-00-653-4782