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 5910-01-145-4297
NSN 5985-01-580-0566
NSN 6105-00-477-3024
NSN 6645-00-169-6759
NSN 5985-01-183-2097
NSN 6135-00-078-9931
NSN 5910-01-624-0402
NSN 6240-01-558-8377
NSN 5855-00-688-9954
NSN 6240-00-319-4549
NSN 5925-01-481-3442
NSN 5975-00-636-4910