Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R126389PC10(CHROME found under Screw Cap Socket He by Kapl Inc. The National Stock Number assigned to this part is 5305012922830, and the Federal Supply Class is 5305 Screws. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like R126389PC10(CHROME.