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 6610-01-038-7486
NSN 6650-00-235-6272
NSN 5895-01-159-2502
NSN 6685-01-327-7381
NSN 7035-01-633-9537
NSN 5950-00-450-9958
NSN 7035-01-423-8343
NSN 5998-01-092-3248
NSN 5910-00-248-6899
NSN 5835-01-449-7511
NSN 6320-01-086-2602
NSN 6110-01-383-7520