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 6130-01-146-4687
NSN 6685-01-432-6327
NSN 7035-01-245-2858
NSN 5930-01-306-0323
NSN 6650-00-565-1659
NSN 5965-01-082-5861
NSN 5915-00-804-6849
NSN 5915-00-431-7868
NSN 5990-01-411-5930
NSN 5915-01-300-9697
NSN 5990-01-443-2931
NSN 2925-01-426-3410