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 6240-00-541-7032
NSN 5920-01-068-0178
NSN 6650-00-704-3549
NSN 5855-00-145-3307
NSN 6320-01-369-5014
NSN 6685-01-579-0625
NSN 6685-01-411-5969
NSN 5835-01-550-5094
NSN 5990-01-455-8035
NSN 5925-00-188-3864
NSN 5985-01-113-9390
NSN 6130-01-552-3690