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 5925-01-623-6164
NSN 5930-01-007-1221
NSN 6150-01-122-7900
NSN 6110-00-252-2113
NSN 5945-00-102-7453
NSN 5910-01-153-2651
NSN 5835-01-045-6371
NSN 6105-00-111-3353
NSN 6220-00-468-0296
NSN 6620-01-501-8649
NSN 6105-00-959-5468
NSN 2925-01-522-1134