Here is a pair of New Old Stock Inner Rear Axle Shaft Bearing Retainer Nut Lock Washers, GM part #344281 for the following Chevrolet vehicles (passenger cars, 1/2 ton trucks and sedan delivery) with factory original of the year rear end assemblies:
One lock washer is required for each, the right and left sides of the rear end. Lock Washers are in excellent unused New Old Stock (NOS) condition and ready to install. Some very minor surface rust on bare metal as shown and can be cleaned just before installation.Please see photos for details. Note: Original GM Part tag with part number is showing in photo for reference only and is not included with the two lock washers being sold. 

Note: Buyer to confirm that parts are correct for their own application prior to bidding on the parts.