Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 549-1148-01 found under Screw Machine by L 3 Communications Corporation. The National Stock Number assigned to this part is 5305011478193, 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 549-1148-01.