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 6150-01-514-5993
NSN 6320-01-138-0442
NSN 5930-01-632-4119
NSN 5960-01-175-9880
NSN 6645-01-093-5015
NSN 5910-01-349-0825
NSN 5925-01-512-0228
NSN 6150-01-333-1360
NSN 5945-01-199-5060
NSN 6150-01-025-5833
NSN 6240-01-292-7858
NSN 5950-00-554-4870