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 5930-01-423-9415
NSN 6645-01-381-2050
NSN 5935-00-202-1103
NSN 5950-01-392-7248
NSN 7035-01-606-1485
NSN 6645-00-113-4441
NSN 6150-01-145-3780
NSN 5965-01-020-2581
NSN 5998-00-269-5444
NSN 5915-00-081-0536
NSN 6130-00-234-1829
NSN 5920-00-156-7961