Please fill out the form below for Ring Sbkp 131 1 687 X 088 Tab 90 and get a quote for part number 1391-277 by Woodward Governor Company, 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 1391-277. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.