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 5999-01-108-2488
NSN 5915-01-548-9472
NSN 5990-01-230-0059
NSN 6240-00-553-8891
NSN 2925-01-292-9248
NSN 2925-00-099-4030
NSN 5998-01-397-3536
NSN 5910-01-433-2454
NSN 5920-01-552-6362
NSN 4140-01-519-3349
NSN 6220-01-122-3155
NSN 6220-00-660-5539