The NSN 4730004171657 (Coupling Special) part number 99-4399280, 99-4399299, MK11C1-50B, MK11C1-50B, MR8623C manufactured by Nato Stock Number Assigned, Thales Optronics Taunton Ltd, Thales Optronics Limited is available in Jet Parts 360’s inventory. Owned and operated by ASAP Semiconductor, Jet Parts 360 has over six billion parts in its inventory, including NSN 4730004171657 . ASAP is devoted to streamlining the parts procurement process for our customers, making it easy for them to search through billions of parts to find exactly what they are looking for. We have dedicated account managers ready to solve procurement issues our clients face, whether it’s a need for aerospace parts, or an aircraft on ground situation. Submit a Quote for NSN 4730004171657 parts today to get started.