Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 100233-400-SCS found under Case Test Set Irst by Hardigg Industries Inc. The National Stock Number assigned to this part is 1680016569544, and the Federal Supply Class is 1680 Miscellaneous Aircraft Accessories And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 100233-400-SCS.