One screw, pan hd included, p/n ms51957-61
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 2925-01-132-5827
NSN 5950-01-483-6849
NSN 7035-00-465-3298
NSN 5835-01-519-2916
NSN 5998-01-167-1570
NSN 5905-01-442-8338
NSN 5999-01-419-2278
NSN 5999-01-586-3700
NSN 5855-01-425-1330
NSN 5930-00-859-3501
NSN 5990-01-414-7618
NSN 7035-00-884-8366