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 5999-00-930-7775
NSN 6220-01-644-1663
NSN 5950-01-206-2540
NSN 6145-01-034-8201
NSN 6105-00-488-1519
NSN 5905-01-281-1537
NSN 6220-01-492-9403
NSN 5998-01-065-0860
NSN 7035-01-107-2811
NSN 5935-00-826-1870
NSN 5910-00-372-4555
NSN 6685-01-025-7018