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 6145-01-485-3846
NSN 6145-00-780-3306
NSN 2925-01-228-6554
NSN 5930-01-432-4117
NSN 5950-01-557-8199
NSN 5930-01-606-0250
NSN 5960-01-437-7422
NSN 6320-01-607-1491
NSN 6110-01-221-1977
NSN 4140-01-524-6770
NSN 5985-00-350-4812
NSN 5950-01-269-6046