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 5910-00-299-1974
NSN 5945-00-150-3034
NSN 5910-01-627-0205
NSN 5925-01-224-8720
NSN 6320-01-350-5570
NSN 5945-01-157-4611
NSN 6145-01-123-1508
NSN 5910-01-528-6226
NSN 5935-01-075-6261
NSN 6135-01-485-3082
NSN 5930-00-925-1891
NSN 5910-01-155-2404