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 6610-00-575-3114
NSN 5975-01-605-3260
NSN 5990-01-154-7296
NSN 6240-00-230-2716
NSN 5835-00-478-6508
NSN 4140-01-358-1104
NSN 6220-01-069-1128
NSN 5990-00-186-2445
NSN 6145-00-854-8211
NSN 2925-00-347-7893
NSN 4140-00-826-9031
NSN 5960-01-550-2782