3120-00-024-5953 (GB10F5-4)
NSN 3120-00-024-5953 (NIIN 00-024-5953) is a sleeve bushing in Federal Supply Class 3120, Bearings, Plain, Unmounted — 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 GB10F5-4 (Northrop Grumman Systems Corporation, CAGE 70974).
Key specs: 39 to 42 rockwell c overall hardness; full characteristics table below. NIIN assigned October 1972; DEMIL A (none required); unit of issue EA (each), $10.60 gov standard price; export Schedule B 8482.99.7060; ships at 0.01 lb / 0 cu ft.