Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4002-P4-812B found under Grommet by Apollo Aerospace Components Llc. The National Stock Number assigned to this part is 5325012196909, and the Federal Supply Class is 5325 Fastening Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 4002-P4-812B.