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 4140-01-004-2040
NSN 5950-00-499-3861
NSN 6220-01-199-7241
NSN 5996-01-563-4708
NSN 5930-01-023-1571
NSN 6150-01-156-0759
NSN 5985-00-291-8583
NSN 5990-00-925-6614
NSN 4140-00-315-0146
NSN 2925-01-528-7333
NSN 7035-00-574-4223
NSN 5935-01-359-1408