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 6110-00-134-1534
NSN 6240-01-370-5818
NSN 6130-01-605-1266
NSN 5975-00-234-7516
NSN 5960-00-357-3043
NSN 5920-01-095-4519
NSN 5965-01-250-3214
NSN 6110-01-006-6177
NSN 5985-00-303-8092
NSN 6135-01-413-4747
NSN 5950-01-553-1978
NSN 5855-00-482-9876