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 6610-01-417-6336
NSN 5999-00-822-9497
NSN 5935-01-159-0106
NSN 5996-01-031-5840
NSN 5910-01-123-9809
NSN 5975-00-479-3032
NSN 5960-01-502-0344
NSN 5990-01-285-1868
NSN 5985-01-272-8248
NSN 5905-01-428-5844
NSN 6150-01-117-7458
NSN 5905-01-606-9978