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 5998-01-281-2084
NSN 6650-01-168-8451
NSN 5996-01-393-1101
NSN 6145-01-528-9655
NSN 6130-01-576-5872
NSN 5935-01-396-5495
NSN 6685-01-602-9641
NSN 5960-00-054-0302
NSN 6685-00-217-9010
NSN 5925-01-422-3664
NSN 5998-00-422-0963
NSN 5835-00-034-4976