Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AV3 8 16X4 SL found under Screw Cap Hexagon H by Betts Industries Inc. The National Stock Number assigned to this part is 5305011143790, 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 AV3 8 16X4 SL.