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 5855-01-630-5790
NSN 6220-00-564-2868
NSN 6645-01-437-9017
NSN 6130-01-139-2514
NSN 6685-00-108-1108
NSN 6610-00-186-9180
NSN 5998-01-520-5097
NSN 6110-01-420-1861
NSN 5905-01-139-5138
NSN 6645-00-242-0480
NSN 6145-01-228-6267
NSN 6110-00-249-7914