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 5945-01-237-2010
NSN 6240-01-008-5267
NSN 5965-01-418-1760
NSN 5950-01-354-1676
NSN 6620-00-340-2395
NSN 2925-01-411-4666
NSN 2925-00-444-1186
NSN 6645-00-143-1567
NSN 6130-01-442-8759
NSN 4140-01-463-8749
NSN 5910-01-319-9446
NSN 5960-01-069-8028