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 6150-01-479-6151
NSN 5996-01-290-4844
NSN 5960-00-515-7366
NSN 5975-01-085-5824
NSN 6685-00-966-5561
NSN 5895-01-150-9281
NSN 5998-00-459-8622
NSN 5835-01-326-6104
NSN 6645-00-808-1407
NSN 5950-01-413-7210
NSN 6135-00-995-1089
NSN 6150-01-546-0203