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 5965-01-555-7353
NSN 5895-00-296-8076
NSN 6610-00-704-4022
NSN 5835-01-460-6054
NSN 6110-00-932-5257
NSN 5925-01-177-7423
NSN 5996-01-299-7275
NSN 5915-01-015-5829
NSN 5895-00-086-3231
NSN 5950-00-516-5379
NSN 5895-00-483-8629
NSN 6610-01-193-8861