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 5855-01-201-4857
NSN 5935-01-239-2102
NSN 5975-00-117-5630
NSN 4140-01-594-1691
NSN 5945-01-479-8352
NSN 5960-00-197-6282
NSN 5985-01-055-5656
NSN 5910-01-290-7720
NSN 5975-01-331-2370
NSN 5985-00-544-0554
NSN 6650-00-885-3775
NSN 5920-00-823-6088