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 5925-00-243-1654
NSN 5960-01-107-2549
NSN 5920-01-447-5828
NSN 6650-00-185-3133
NSN 5835-01-131-2027
NSN 6150-00-964-7303
NSN 5990-01-013-8464
NSN 2925-01-406-9844
NSN 5975-01-431-2113
NSN 2925-01-012-6938
NSN 5925-01-527-6437
NSN 6240-01-365-5553