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 5925-01-010-2925
NSN 5999-01-342-9578
NSN 6110-01-518-4882
NSN 5965-01-437-0905
NSN 6240-01-374-1904
NSN 6240-00-033-9594
NSN 5835-00-987-9341
NSN 5945-01-279-1690
NSN 6135-01-416-8342
NSN 5975-01-338-5162
NSN 5895-01-580-1050
NSN 5945-01-630-8202