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 6145-00-170-4044
NSN 5996-01-007-2147
NSN 5855-01-512-1926
NSN 6610-01-406-6696
NSN 6220-01-068-4066
NSN 6150-00-752-2542
NSN 5835-00-275-0584
NSN 5985-01-025-9711
NSN 6145-01-530-7171
NSN 6135-00-377-9165
NSN 5999-01-338-3808
NSN 6135-01-071-4923