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 5950-01-455-5309
NSN 6685-01-145-3938
NSN 5975-01-251-4023
NSN 5999-00-233-6366
NSN 5950-01-151-0678
NSN 5996-01-567-8559
NSN 5996-01-200-4128
NSN 5910-00-107-7788
NSN 5920-01-027-0660
NSN 6150-00-019-0974
NSN 5965-01-360-6568
NSN 6150-01-227-5369