Please fill out the form below for Sling Control Riser and get a quote for part number 63J4301-4 by San Antonio Air Logistics Center with NSN 1670000037237 and FSC Name is 1670 Parachutes Aerial Pick Up Delivery Recovery Systems and Cargo Tie Down Equipment, 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 63J4301-4. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.