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 5985-01-509-4534
NSN 5990-01-560-7032
NSN 6240-01-378-4417
NSN 6685-01-555-6681
NSN 5998-01-116-4344
NSN 5905-00-786-3729
NSN 6685-01-342-7547
NSN 7035-00-155-9513
NSN 5925-01-394-7251
NSN 5855-01-145-4903
NSN 6150-01-051-0386
NSN 6320-00-731-6134