Please fill out the form below for Nut Self Locking Extended Washer and get a quote for part number 497-1612 by Kaynar Technologies Inc, 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 497-1612. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.