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 5945-00-693-5277
NSN 5920-00-577-3485
NSN 5999-00-954-4650
NSN 6135-01-519-7879
NSN 5910-01-490-4294
NSN 5998-01-443-8193
NSN 6240-00-474-0661
NSN 5998-01-271-7414
NSN 5965-01-381-2998
NSN 6610-00-664-2190
NSN 5990-00-382-5885
NSN 5950-00-066-7227