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 6110-01-383-6517
NSN 6320-00-646-3311
NSN 6620-00-312-2036
NSN 6135-01-633-8502
NSN 6645-01-035-7289
NSN 6135-01-478-4657
NSN 5910-00-927-2970
NSN 6645-01-590-5534
NSN 6135-01-231-4809
NSN 5935-01-607-6601
NSN 5935-01-144-9590
NSN 5985-01-573-4252