The opening inside directly in the center is .81 max. And .69 min; aka plug, protective
No other part numbers with same form, fit, and function found.
An item specifically designed to fit into the opening(s) of various items to provide mechanical protection and/or 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 plug (as modified) 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 6130-01-251-2723
NSN 6645-00-726-2716
NSN 6320-01-488-5581
NSN 5915-01-515-3092
NSN 6130-01-205-1592
NSN 6645-00-521-0353
NSN 5990-01-296-8190
NSN 5998-00-224-4064
NSN 6320-01-116-3980
NSN 6220-01-425-2634
NSN 6685-00-108-6374
NSN 7035-01-215-2449