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 5935-01-230-2909
NSN 6685-00-252-3057
NSN 6145-00-117-4806
NSN 5920-01-608-4166
NSN 6645-01-239-8133
NSN 5910-01-440-7399
NSN 5925-01-574-4644
NSN 5935-01-085-6461
NSN 5895-00-596-8678
NSN 5975-01-351-2084
NSN 6645-01-172-1406
NSN 5915-01-200-0569