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 5990-01-560-0896
NSN 5960-01-381-2478
NSN 6110-00-954-8248
NSN 5996-00-518-3675
NSN 5930-00-218-4739
NSN 5999-00-001-7455
NSN 6620-01-618-2962
NSN 6135-01-551-0562
NSN 6105-01-659-0465
NSN 6130-01-136-8787
NSN 5835-00-034-4976
NSN 5895-01-463-9373