Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4SE00300-9 found under Clip Spring Tension by Gibson Good Tools Inc. The National Stock Number assigned to this part is 5340010053121, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 4SE00300-9.