Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TSE-1520-000-130 found under Case Optical Instrument by Tactical Support Equipment Inc. The National Stock Number assigned to this part is 1240015591730, 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 TSE-1520-000-130.