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 5930-01-364-7902
NSN 6620-01-448-1423
NSN 6150-01-508-1040
NSN 6240-01-303-0142
NSN 6240-01-341-4893
NSN 6220-00-612-8073
NSN 5905-01-044-2196
NSN 6135-00-235-1938
NSN 4140-01-143-3520
NSN 6685-01-089-9606
NSN 6105-01-500-4242
NSN 2925-00-215-4954