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 5855-01-130-1501
NSN 6240-00-099-8606
NSN 6685-01-657-8575
NSN 5960-01-529-8797
NSN 5990-01-468-1292
NSN 5855-00-494-9581
NSN 5920-01-406-5195
NSN 6240-01-013-8895
NSN 6650-00-495-5210
NSN 5855-01-621-0215
NSN 5855-00-252-5743
NSN 4140-01-520-3456