Thank you for selecting Aerospace Aviation 360 for NR21 by Idec Corporation under Accessories. We are proud to be an ASAP Semiconductor owned and operated website, a leading distributor of aviation and aerospace part numbers like NR21. To help us better understand your parts requirements, please fill out an RFQ form for part number NR21 with your details, and our customer executive will respond to your RFQ in 15 minutes or less.