Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TFIM25-0141354 found under Countersink by Monogram Aerospace Fasteners Inc. The National Stock Number assigned to this part is 5133001317222, and the Federal Supply Class is 5133 Drill Bits Counterbores And Countersinks Hand And Machine. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like TFIM25-0141354.