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 5915-01-469-6236
NSN 5905-01-403-2806
NSN 5925-01-506-5306
NSN 5999-01-436-2297
NSN 6685-00-250-5426
NSN 6145-01-339-5112
NSN 6145-01-266-5076
NSN 6240-01-218-5187
NSN 5950-01-473-5695
NSN 5905-00-840-9171
NSN 6105-00-282-8943
NSN 5895-00-165-3046