3/8-24, 9/16" Width Across Flats Washer Lock Nut Zinc-Plated Spring 51259398 | FleetPride

Manufacturer Part Number: 3975|For Use With|Threaded FastenersHole Diameter (Inch)|Thread Size (mm)|Thread Size (Inch)|3/8-24Screw Size (Inch)|Washer Outside Diameter (mm)|Washer Outside Diameter (Inch)|Width Across Flats (Inch)|9/16Width Across Flats (mm)|Material|Spring SteelProduct Service Code|System Of Measurement|InchHole Diameter (Mm) ( - 0 Decimals)|Finish Coating|ZincThread Size|UNSPSC Code|31161716