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 5960-00-126-9669
NSN 4140-01-422-0439
NSN 6620-00-905-6590
NSN 5855-00-014-5008
NSN 6620-00-346-4270
NSN 5915-01-373-1708
NSN 6105-01-321-7466
NSN 5950-01-364-1094
NSN 2925-00-455-2367
NSN 5965-01-485-3501
NSN 5910-00-252-2626
NSN 6685-01-543-0860