Please fill out the form below for Nut Self Locking Ba and get a quote for part number 3M155-4 by Shur Lok Corporation with NSN 5310004701572 and FSC Name is 5310 Nuts and Washers, 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 3M155-4. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.