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 4140-01-258-1215
NSN 6105-00-493-9535
NSN 6220-01-083-7596
NSN 5985-01-009-4312
NSN 6320-01-249-3236
NSN 6135-01-242-6484
NSN 5920-01-653-2340
NSN 6135-00-938-1351
NSN 5925-01-429-0392
NSN 5920-00-806-5613
NSN 5835-01-079-3658
NSN 5985-00-179-5930