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 6240-01-553-3253
NSN 4140-01-596-7716
NSN 5905-01-413-5978
NSN 6130-01-100-3285
NSN 5960-00-197-6282
NSN 5975-00-019-4024
NSN 6620-01-152-0936
NSN 5998-00-321-1630
NSN 6145-00-253-9445
NSN 5990-00-304-7038
NSN 5975-00-910-3461
NSN 5990-00-202-5127