Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SQAP01-426-1994 found under Range Finder Fire Control by Dresser Argus Inc. The National Stock Number assigned to this part is 1240014261994, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SQAP01-426-1994.