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 6130-01-656-5076
NSN 2925-01-494-8360
NSN 2925-01-331-5039
NSN 7035-01-517-1713
NSN 5935-01-412-9220
NSN 5945-00-400-3050
NSN 5950-00-422-5452
NSN 6240-01-007-5875
NSN 5855-00-401-3442
NSN 5950-01-577-2308
NSN 6105-00-989-9792
NSN 5920-00-993-4906