Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 42H10-600A found under Coupling Clamp Grooved by Grimes Aerospace Company. The National Stock Number assigned to this part is 5342010207255, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 42H10-600A.