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 5985-01-319-8027
NSN 2925-01-250-2731
NSN 6320-01-406-6098
NSN 6135-01-335-9184
NSN 2925-00-684-2361
NSN 5915-01-182-1365
NSN 6650-01-298-4138
NSN 6240-00-978-9752
NSN 6110-00-188-9874
NSN 6650-01-089-8890
NSN 4140-01-322-6397
NSN 5935-00-143-1399