Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PER ER 45506 V3D10270 ITEM 9 found under Screw Cap Socket He by Vacco Industries. The National Stock Number assigned to this part is 5305015449165, 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 PER ER 45506 V3D10270 ITEM 9.