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 5950-00-410-6406
NSN 5920-01-087-5753
NSN 5895-01-146-3907
NSN 6135-01-648-4875
NSN 6620-01-265-2887
NSN 6130-01-462-5428
NSN 6105-01-200-8131
NSN 6135-01-528-6896
NSN 6135-00-812-9039
NSN 6135-01-277-2562
NSN 5965-01-100-2591
NSN 6150-01-114-4268