5365-01-655-6934 (8491A093)
NSN 5365-01-655-6934 (NIIN 01-655-6934) is a sleeve bushing in Federal Supply Class 5365, Bushings, Rings, Shims, And Spacers — a tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole. Manufacturer part number 8491A093 (Mcmaster-Carr Supply Co, CAGE 39428); also referenced as P20-6 5/32 (United Drill Bushing Corporation).
Key specs: 61 to 65 rockwell c overall hardness; full characteristics table below. NIIN assigned June 2016; DEMIL A (none required); unit of issue EA (each), $6.78 gov standard price; ships at 0.4 lb / 0.0093 cu ft.