Please fill out the form below for Parts Kit Seal Repl and get a quote for part number SK 3972 by Hsi Corporation with NSN 5330013531883 and FSC Name is 5330 Packing and Gasket Materials, 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 SK 3972. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.