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 6645-01-576-2691
NSN 5990-01-492-6575
NSN 5920-00-459-0741
NSN 5855-01-579-3864
NSN 5925-00-851-3605
NSN 2925-00-211-4761
NSN 5965-01-376-7301
NSN 6685-01-512-5567
NSN 5950-01-542-5493
NSN 6650-01-276-4486
NSN 6220-01-103-4475
NSN 5996-01-092-4138