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 5998-01-208-7949
NSN 5975-00-233-6301
NSN 5999-01-311-4125
NSN 6320-01-006-6138
NSN 2925-01-408-6205
NSN 6135-00-043-0021
NSN 5960-00-237-6917
NSN 5925-01-113-4223
NSN 6240-01-480-5897
NSN 6685-00-568-8920
NSN 5990-01-646-8048
NSN 5975-00-410-0113