Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number M2124 (PVS-24 TYPE found under Sight Bore Optical by L 3 Communications Eotech Inc. The National Stock Number assigned to this part is 1240016042797, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like M2124 (PVS-24 TYPE.