Please fill out the form below for Holder Crew Cup C3978 and get a quote for part number 54628-004 by Piper Aircraft Inc, 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 54628-004. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.