Please fill out the form below for Block Tackle and get a quote for part number SC3940-0002-1 by Drs Icas Llc with NSN 3940013638268 and FSC Name is 3940 Blocks Tackle Rigging and Slings, 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 SC3940-0002-1. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.