Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number M2840R95 found under Mask Air Filtering by Moldex Metric Inc. The National Stock Number assigned to this part is 4240015064535, and the Federal Supply Class is 4240 Safety And Rescue Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like M2840R95.