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 5855-01-644-5841
NSN 5950-00-945-2341
NSN 5975-01-461-4107
NSN 6320-01-106-4414
NSN 6105-01-646-8589
NSN 5960-01-357-1261
NSN 6645-00-052-7288
NSN 6110-01-098-7442
NSN 5960-01-026-9005
NSN 5855-01-258-5161
NSN 6620-01-245-0184
NSN 5999-01-191-0332