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 6145-01-218-7198
NSN 5895-00-080-7869
NSN 4140-01-565-7729
NSN 6150-01-400-4211
NSN 6685-01-182-9315
NSN 5935-00-768-4866
NSN 6105-01-598-7590
NSN 6650-00-236-0724
NSN 5910-00-415-0971
NSN 5945-01-212-4226
NSN 4140-01-550-8030
NSN 5990-01-647-8574