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 5960-00-569-0207
NSN 5950-01-575-1859
NSN 6130-01-596-5774
NSN 6105-00-581-2410
NSN 5990-01-507-7495
NSN 6135-00-299-6918
NSN 6610-00-983-4482
NSN 5990-01-421-5342
NSN 5965-01-392-6511
NSN 6105-00-878-4273
NSN 4140-01-351-3892
NSN 5985-00-008-6754