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 5835-01-221-8811
NSN 5920-01-170-0127
NSN 6650-01-561-6149
NSN 5920-01-113-7787
NSN 5905-01-552-5038
NSN 5925-01-234-3361
NSN 5855-00-560-0110
NSN 2925-01-328-4394
NSN 5855-00-411-8688
NSN 5835-00-223-7235
NSN 5965-01-398-0779
NSN 5985-01-385-0743