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 6220-01-025-1373
NSN 6220-01-037-2146
NSN 7035-01-504-6048
NSN 5910-01-188-6858
NSN 6685-00-402-7365
NSN 5985-01-089-7225
NSN 5920-01-169-7888
NSN 5855-00-058-1293
NSN 5960-01-381-2478
NSN 5999-00-413-0223
NSN 5950-00-538-7185
NSN 6220-01-237-5999