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 6320-00-519-0770
NSN 5990-00-106-6609
NSN 5990-01-446-9118
NSN 7035-00-285-3393
NSN 5855-01-393-2455
NSN 6110-01-483-7129
NSN 6240-01-353-3220
NSN 5965-00-081-9412
NSN 6240-01-074-6962
NSN 5960-01-074-8964
NSN 5960-01-539-1956
NSN 5996-01-281-2396