Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number L44 L55 120MM ADAPTER RING found under Ringretaining by Laser Techniques Company Llc. The National Stock Number assigned to this part is 5325016747997, and the Federal Supply Class is 5325 Fastening Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like L44 L55 120MM ADAPTER RING.