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 5920-00-524-2291
NSN 5985-00-204-0028
NSN 6610-01-200-6861
NSN 5965-01-633-8849
NSN 6685-00-504-1911
NSN 5920-00-174-1657
NSN 5835-01-555-8963
NSN 5985-01-598-1986
NSN 5910-01-176-4382
NSN 5985-00-542-0597
NSN 6240-00-237-7878
NSN 6220-00-823-6688