Please fill out the form below for Pin Hi Lok and get a quote for part number HL20PB-8-4 by Sikorsky Aircraft Corporation, 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 HL20PB-8-4. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.