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 5925-00-921-1171
NSN 6320-01-067-0474
NSN 6135-01-626-9374
NSN 5960-01-336-5459
NSN 5998-00-462-0215
NSN 5960-00-872-5044
NSN 2925-01-121-3355
NSN 6645-00-420-5072
NSN 6240-01-334-6961
NSN 5999-01-009-7658
NSN 6620-01-633-7058
NSN 4140-01-518-2605