Please fill out the form below for Nut Self Locking Ex and get a quote for part number 4138-0022 by Associated Industries A Div Of with NSN 5310008071465 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 4138-0022. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.