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 6645-01-592-2557
NSN 6620-00-707-4195
NSN 5935-01-023-5554
NSN 6130-01-473-8916
NSN 6105-01-052-5594
NSN 6685-01-554-4337
NSN 6320-01-399-6177
NSN 6320-01-406-6098
NSN 6645-01-148-6281
NSN 5985-01-290-9757
NSN 5950-01-063-9471
NSN 6130-00-621-7997