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 5895-01-521-9123
NSN 6145-00-350-0167
NSN 6145-01-276-9215
NSN 5915-00-488-7437
NSN 5925-00-995-0857
NSN 6240-00-155-7802
NSN 7035-01-038-9970
NSN 6320-01-281-6028
NSN 5985-01-337-1966
NSN 5950-00-719-7470
NSN 5905-01-227-4601
NSN 6130-01-483-5491