Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1H28 1H28 3 found under Clamp by Souriau Usa Inc. The National Stock Number assigned to this part is 5975008754075, and the Federal Supply Class is 5975 Electrical Hardware And Supplies. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1H28 1H28 3.