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 5930-00-286-8560
NSN 5910-00-899-6457
NSN 4140-00-200-9082
NSN 6240-01-300-7318
NSN 2925-01-142-9043
NSN 5930-01-213-3329
NSN 5990-00-212-4316
NSN 5960-01-658-9538
NSN 5945-01-616-2216
NSN 6220-01-510-2507
NSN 4140-01-469-6140
NSN 4140-01-028-2743