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 6105-00-004-1276
NSN 5996-00-005-2407
NSN 2925-00-010-9609
NSN 5975-00-069-1784
NSN 5990-00-246-2184
NSN 5925-01-102-8710
NSN 5915-01-424-9896
NSN 5930-01-310-8565
NSN 6685-00-065-5223
NSN 6135-00-491-7429
NSN 6105-01-352-5369
NSN 5935-01-102-6548