Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PL-258E425PC15 found under Screw Cap Socket He by Kapl Inc. The National Stock Number assigned to this part is 5305012871917, 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 PL-258E425PC15.