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 2925-01-364-7926
NSN 2925-01-541-5031
NSN 5975-00-562-8574
NSN 6685-01-458-2774
NSN 5990-01-143-2518
NSN 5985-00-150-5579
NSN 7035-00-096-9986
NSN 6150-00-025-9169
NSN 5930-01-655-7282
NSN 5965-01-541-9336
NSN 5910-01-567-9087
NSN 5935-01-316-8972