Please fill out the form below for Washer Lock and get a quote for part number 1212-03 by Itw Shakeproof Automotive Products with NSN 5310004316963 and FSC Name is 5310 Nuts and Washers, please include required quantity along with expected turn around time. Our knowledgeable account manager will reply you shortly. Also check for the related parts for part number 1212-03. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.