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 6145-00-922-6335
NSN 6620-01-363-8362
NSN 5910-01-426-8741
NSN 6135-01-173-6306
NSN 5915-00-885-6412
NSN 5935-00-217-0977
NSN 5910-01-351-1449
NSN 6645-01-378-8907
NSN 5996-00-763-6245
NSN 6130-01-170-5085
NSN 5920-01-163-9257
NSN 6610-01-200-6861