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 5996-00-366-0233
NSN 6150-01-323-7274
NSN 5998-01-021-9123
NSN 6240-01-371-3020
NSN 2925-01-250-2731
NSN 6240-01-152-2662
NSN 6320-01-446-6775
NSN 5985-01-413-5224
NSN 5960-01-035-1260
NSN 5990-01-076-6858
NSN 6610-00-367-9603
NSN 5990-00-483-0486