Please fill out the form below for Socket Socket Wrenc and get a quote for part number 4420 by S K Hand Tool Corp with NSN 5120014312718 and FSC Name is 5120 Hand Tools Nonedged Nonpowered, 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 4420. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.