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 5855-01-653-1591
NSN 6130-00-707-5931
NSN 5996-00-787-7271
NSN 5960-01-602-6009
NSN 6110-00-250-7913
NSN 5915-00-463-9337
NSN 6135-01-286-9563
NSN 6220-00-296-3709
NSN 5895-01-461-2972
NSN 6110-01-453-7193
NSN 5910-00-808-9984
NSN 5855-00-962-5792