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 6130-00-228-5636
NSN 5998-00-292-0214
NSN 5985-00-937-3499
NSN 6135-00-403-0213
NSN 5950-00-466-4215
NSN 4140-01-470-4886
NSN 5990-01-476-8813
NSN 6105-00-965-7828
NSN 5985-01-639-8150
NSN 5930-01-443-3096
NSN 5910-00-224-5915
NSN 5925-00-172-3053