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 4140-00-954-4695
NSN 5960-00-712-8243
NSN 6110-00-719-5087
NSN 6650-01-203-4746
NSN 6220-01-378-2556
NSN 6150-01-355-5054
NSN 6110-00-224-6128
NSN 6145-01-512-7972
NSN 5996-00-752-6007
NSN 6150-00-228-1587
NSN 6620-01-526-2857
NSN 6645-00-913-2723