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 5905-01-542-2412
NSN 5950-01-513-9108
NSN 5930-01-154-9175
NSN 5905-01-038-3943
NSN 6135-01-164-3561
NSN 5935-00-299-7517
NSN 5920-00-914-2707
NSN 6645-00-234-3873
NSN 6130-01-358-0420
NSN 5999-01-387-7778
NSN 6220-00-821-9387
NSN 6320-01-252-2307