Thread class can also be 1a or 3a
An item specifically designed to fit over the opening(s) of various items to provide mechanical protection and/or to prevent the entrance of foreign matter during painting, shipping, storage, or the like. It is not designed to retain fluids under pressure during equipment operation. Excludes cover, electrical connector; hood, sealing, bottle; and stopper, bottle. For items designed to fit into or over the opening(s) of various items, see cap-plug, protective, dust and moisture seal.
Classification: Gaskets,washers & other seals
NSN 6620-00-246-5159
NSN 6130-01-069-8027
NSN 4140-01-485-0083
NSN 6610-00-700-3679
NSN 5998-01-313-9942
NSN 5999-00-008-2537
NSN 5999-01-158-8887
NSN 6150-00-218-0891
NSN 6110-00-374-4805
NSN 5935-01-158-9131
NSN 6105-01-519-1922
NSN 5910-00-783-4192