Cadillac 1/2-20 Flare Nut for Vacuum Line, V8 V16

1/2-20 Brass flare nut for a 1/4 flared vacuum line, no ferrule required. For use on 1927-1930 Cadillac and LaSalle V-8 and V-16 models: 303, 314, 328, 340, 341, 345, 353, 355 A B C, 452 A.

Cadillac group number 8.3420, part number 73787.

Thread: 1/2-20
OAL: 3/4
Hex: 5/8
ID/OD non threaded end: .265, .445
OD non tapered part: .620