A metallic item, cylindrical, with or without a flange at one end. It is designed to be inserted into a hole to reduce friction and/or the inside diameter of the hole, and protect the surrounding body structure from damage resulting from stress, strain and/or vibration. It must have a through hole parallel to its axis. It is designed for subsequent drilling operation. For items that are tapered see bushing (1), tapered. Excludes bushing, sleeve.
Classification: Drilling, threading or tapping tools and parts thereof, base metal
NSN 5925-01-491-9409
NSN 6650-01-519-3665
NSN 5905-01-220-8459
NSN 5960-00-715-2009
NSN 5998-01-553-7635
NSN 6320-01-512-2031
NSN 4140-01-428-2509
NSN 5915-00-779-4068
NSN 4140-01-030-1298
NSN 5945-01-620-0083
NSN 5996-01-411-1865
NSN 6130-00-929-3922