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 5935-01-613-6333
NSN 6105-00-189-0515
NSN 5925-00-071-9844
NSN 5855-01-485-3429
NSN 5855-01-255-1688
NSN 2925-01-537-9182
NSN 6130-00-277-4402
NSN 5950-01-073-0242
NSN 5915-01-248-2229
NSN 6650-01-064-8941
NSN 7035-00-968-4848
NSN 5996-01-217-7980