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 6650-01-364-8504
NSN 5910-00-306-1431
NSN 5930-01-424-0561
NSN 6650-01-615-8806
NSN 6145-01-429-8529
NSN 6110-01-461-1058
NSN 5855-00-912-3885
NSN 6320-01-207-9038
NSN 5960-01-174-6975
NSN 4140-01-223-7787
NSN 5910-01-420-0965
NSN 5990-01-575-3275