Please fill out the form below for Screw Shoulder and get a quote for part number ST3M505-3-11 by Boeing Company The with NSN 5305010455608 and FSC Name is 5305 Screws, 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 ST3M505-3-11. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.