Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SD-01319-D-5 ITEM 20 found under Screw Cap Socket He by Parker Hannifin Ltd. The National Stock Number assigned to this part is 5305014123575, 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 SD-01319-D-5 ITEM 20.