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 2925-01-430-4206
NSN 6320-01-532-7491
NSN 6320-00-036-3688
NSN 6645-01-633-0303
NSN 6240-01-400-4212
NSN 5905-00-728-4292
NSN 5910-01-032-8280
NSN 5975-01-432-0050
NSN 5925-01-364-8334
NSN 6145-00-967-8906
NSN 5999-01-215-0643
NSN 2925-00-120-9302