Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number GS42N416BB16 found under Screw Assembled Washer by Cardwell Condenser Corp. The National Stock Number assigned to this part is 5305007235684, 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 GS42N416BB16.