Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CAL7570S6PC48 found under Contact Electrical by Barkley Mfg Co. The National Stock Number assigned to this part is 5999003089150, and the Federal Supply Class is 5999 Miscellaneous Electrical And Electronic Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CAL7570S6PC48.