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 6645-01-422-1374
NSN 5935-00-503-2695
NSN 6150-01-004-6199
NSN 7035-00-145-9138
NSN 6145-00-993-6538
NSN 5975-01-134-3476
NSN 5930-00-197-5907
NSN 6220-00-432-9402
NSN 6685-01-309-2308
NSN 6610-00-628-6742
NSN 5945-01-183-3768
NSN 5925-01-353-1391