Please fill out the form below for Oscillator Crystal and get a quote for part number 879-021-007 by Parker Hannifin Corp with NSN 5955014648998 and FSC Name is 5955 Oscillators Piezoelectric Crystals, 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 879-021-007. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.