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 5915-01-536-1354
NSN 2925-00-251-0105
NSN 6145-01-571-2565
NSN 6610-00-155-1334
NSN 6130-01-482-6257
NSN 6610-00-575-6660
NSN 5930-01-649-8225
NSN 5950-00-439-2406
NSN 5998-01-519-2995
NSN 5975-00-339-1499
NSN 6130-01-464-4286
NSN 5985-01-556-8013