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 5895-00-163-6420
NSN 4140-01-468-4324
NSN 5999-00-354-2840
NSN 5855-01-447-7168
NSN 6685-01-300-8805
NSN 5998-00-827-7391
NSN 5990-01-607-3528
NSN 7035-00-185-8683
NSN 6610-00-088-4404
NSN 6650-01-645-2230
NSN 5905-01-422-7428
NSN 5998-00-903-4137