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 6240-00-738-1878
NSN 6130-01-462-5428
NSN 6240-01-442-3501
NSN 5950-01-309-3325
NSN 5905-00-263-2333
NSN 5960-01-054-3752
NSN 5965-00-372-2537
NSN 5975-00-001-8016
NSN 5910-01-416-0348
NSN 5915-00-190-6207
NSN 6320-01-259-2604
NSN 5910-00-859-3124