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 4140-01-519-9343
NSN 6685-00-952-2027
NSN 5985-01-207-0952
NSN 5985-00-581-9754
NSN 5960-01-236-3884
NSN 6145-01-012-0804
NSN 6645-01-363-0160
NSN 6135-01-215-1245
NSN 5998-01-380-8116
NSN 5945-01-333-9386
NSN 5945-00-754-3722
NSN 6220-00-907-3526