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 5920-00-620-3280
NSN 5905-01-206-9982
NSN 5905-01-317-9907
NSN 5925-01-288-6243
NSN 6620-00-185-1671
NSN 5855-01-472-2484
NSN 6150-01-516-8950
NSN 4140-00-442-6373
NSN 5990-01-468-1292
NSN 5990-01-421-3325
NSN 2925-00-839-6815
NSN 6110-01-589-9886