Please fill out the form below for Relay Solid State and get a quote for part number SIR1B10A4 by Ssac Inc with NSN 5945016517403 and FSC Name is 5945 Relays and Solenoids, 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 SIR1B10A4. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.