Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number VC28050 found under Expander Tube Brake by Oil States Industries Inc. The National Stock Number assigned to this part is 3040012035275, and the Federal Supply Class is 3040 Miscellaneous Power Transmission Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like VC28050.