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 5855-01-632-3478
NSN 5935-01-085-4917
NSN 6220-01-043-6500
NSN 6110-00-657-4739
NSN 5975-00-142-2450
NSN 5960-01-397-1443
NSN 6620-01-486-8002
NSN 6110-01-254-5278
NSN 5835-00-111-2953
NSN 5895-01-206-4619
NSN 6685-01-223-8396
NSN 5925-01-256-1833