Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LFE-SP3-034 found under Eyeguard Optical Instrument by Lfe. The National Stock Number assigned to this part is 6650014709382, 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 LFE-SP3-034.