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 5998-01-187-5693
NSN 5855-00-912-3885
NSN 5905-00-256-3090
NSN 5925-01-415-3084
NSN 5915-00-203-2380
NSN 6320-00-284-1524
NSN 6650-00-499-7446
NSN 6685-01-304-0295
NSN 6645-00-340-4795
NSN 4140-00-069-5154
NSN 6240-01-580-1345
NSN 5895-01-482-0717