Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3812-742 found under Cap Protective Dust And Moisture Seal by Ap Hydraulics Ltd. The National Stock Number assigned to this part is 5340011787337, 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 3812-742.