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 5965-01-408-6766
NSN 5920-00-984-6360
NSN 5910-01-653-7219
NSN 5960-00-199-6034
NSN 5950-01-076-2950
NSN 6610-01-374-0569
NSN 6645-01-211-6502
NSN 6150-01-146-9661
NSN 5960-01-339-3037
NSN 5925-01-323-6491
NSN 6645-00-130-8464
NSN 5915-01-381-6547