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 5915-00-394-6523
NSN 5910-01-055-7758
NSN 5999-01-533-9331
NSN 5960-00-234-5961
NSN 5910-00-923-4272
NSN 5950-00-530-4612
NSN 6650-00-111-3399
NSN 6620-01-447-6666
NSN 6620-00-273-8735
NSN 6610-01-365-7796
NSN 5985-01-366-3265
NSN 5950-00-441-9764