Thank you for selecting Aerospace Aviation 360 for M38999-10-12B by Amphenol Industrial under Circular Accessories. We are proud to be an ASAP Semiconductor owned and operated website, a leading distributor of aviation and aerospace part numbers like M38999-10-12B. To help us better understand your parts requirements, please fill out an RFQ form for part number M38999-10-12B with your details, and our customer executive will respond to your RFQ in 15 minutes or less.