Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1U31692-02 found under Cap Plug Protective Dust And Moisture Seal by Atk Launch Systems Inc. The National Stock Number assigned to this part is 5340009645965, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1U31692-02.