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 5965-01-476-6146
NSN 5985-00-124-5251
NSN 6145-00-622-4634
NSN 6240-01-381-2275
NSN 6610-01-010-3159
NSN 6610-01-524-0636
NSN 5950-00-707-6107
NSN 2925-00-886-4718
NSN 5985-01-564-0226
NSN 5935-01-449-2717
NSN 5855-00-167-7893
NSN 6645-01-576-2691