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 6320-01-176-8367
NSN 6130-01-063-7446
NSN 5965-01-186-2051
NSN 6110-00-878-5948
NSN 5895-00-111-1547
NSN 5915-01-084-2966
NSN 5905-01-539-4253
NSN 5990-01-243-4233
NSN 6685-00-853-6463
NSN 5925-00-111-1969
NSN 5985-01-353-2431
NSN 5985-00-647-4998