Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 61 40111 0218 found under Screw Machine by Kollsman Inc. The National Stock Number assigned to this part is 5305008093369, 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 61 40111 0218.