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 6645-01-556-5263
NSN 5950-01-467-2191
NSN 5960-01-496-3712
NSN 5996-01-374-7961
NSN 6130-00-473-6132
NSN 5996-00-914-6298
NSN 6150-01-633-7509
NSN 6685-00-835-2744
NSN 5910-00-604-0334
NSN 5855-01-400-1590
NSN 6220-01-159-6204
NSN 5910-00-909-3677