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 6645-00-998-2918
NSN 5915-01-059-5729
NSN 7035-01-113-6492
NSN 6145-00-840-6685
NSN 6220-01-281-8848
NSN 5950-01-389-1212
NSN 6135-01-177-3552
NSN 5925-01-116-4439
NSN 5945-01-438-3361
NSN 6645-00-017-8252
NSN 6105-00-398-4673
NSN 5910-01-465-8933