Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 757-0742-002 found under by Sierra Nevada Corporation. The National Stock Number assigned to this part is 5841001278661, and the Federal Supply Class is 5841 Radar Equipment Airborne. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 757-0742-002.