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 6320-01-330-8054
NSN 5990-01-282-4617
NSN 7035-01-519-3253
NSN 5895-00-113-3918
NSN 5935-01-186-7475
NSN 5925-00-236-9000
NSN 5920-00-291-1379
NSN 5910-00-908-5080
NSN 6685-00-228-2198
NSN 5998-01-349-3676
NSN 5910-01-353-2747
NSN 5996-00-405-3302