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 5920-00-078-2132
NSN 4140-00-810-9330
NSN 5855-00-494-9581
NSN 5920-00-351-8428
NSN 5925-00-256-4884
NSN 5975-00-253-9743
NSN 6320-00-521-9350
NSN 2925-01-423-3003
NSN 7035-01-354-9382
NSN 5905-01-513-9899
NSN 5920-00-408-4423
NSN 5998-00-833-2516