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 5920-00-981-5821
NSN 6645-01-147-5579
NSN 6320-01-359-3921
NSN 5855-01-389-3091
NSN 5998-00-896-6094
NSN 7035-01-397-5009
NSN 5920-00-504-8634
NSN 6645-00-169-6759
NSN 5990-00-924-4167
NSN 2925-01-547-4565
NSN 5975-00-879-8756
NSN 6105-00-557-3984