Please fill out the form below for Retainer Electrical and get a quote for part number 21254 by Mason Electric Company with NSN 5930003920949 and FSC Name is 5930 Switches, 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 21254. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.