Special fastener to secure spray nozzle to carburetor body on Cadillac Johnson carburetors. For use on Cadillac and LaSalle models and years: 59 1920-21; 61 1920-21; 63 1922-23; 341 1928-29; 353 1930; 355 1931-33 V-8; 370A 1931 V-12; 452A 1930 V-16; LaSalle 303 1927; 328 1928-29; 340 1930-32; 345 1933.
Cadillac part number 58542, Group number 12.0626, “Screw, spray nozzle to carburetor body’.
Material: Brass
Finish: Natural
Thread: 17/64-22
OAL: .548
Hex: .407
Length under head: .435
Thru hole ID: .154