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 6610-01-120-7670
NSN 6650-01-370-5265
NSN 5965-01-231-9125
NSN 6130-01-431-2489
NSN 5960-01-541-9884
NSN 6620-01-530-7538
NSN 5960-01-115-6840
NSN 6240-01-123-9040
NSN 5895-00-518-4954
NSN 5999-01-254-2763
NSN 2925-00-420-8151
NSN 5930-01-512-9891