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 4140-00-704-7615
NSN 5910-00-518-4608
NSN 5905-01-530-7820
NSN 6620-01-546-4942
NSN 7035-01-206-2623
NSN 5950-01-298-3382
NSN 6105-00-806-2695
NSN 5998-01-485-0332
NSN 5985-01-419-3502
NSN 6685-00-194-1710
NSN 6220-01-255-8915
NSN 2925-00-799-5989