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 5996-00-553-7348
NSN 6150-01-334-2562
NSN 5930-00-558-6549
NSN 5975-00-934-8885
NSN 6620-01-207-0667
NSN 7035-01-365-9610
NSN 5996-00-636-4849
NSN 6610-00-990-9825
NSN 5990-01-626-3840
NSN 5935-01-510-4434
NSN 5990-01-506-7695
NSN 5930-01-093-6699