Please fill out the form below for Knob and get a quote for part number ST5M1253-202A by Boeing Company The with NSN 5355004809144 and FSC Name is 5355 Knobs and Pointers, 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 ST5M1253-202A. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.