Standard American Nuts with master cylinder nuts for 3/16" (CNF-3) tubing (19 pieces)
SAE (double/inverted/45 degree) flare
Brake line nut assortment for many classic American cars and trucks with 3/16”/4.75mm brake line.
Be sure to measure the outside diameter (O.D) of your brake lines and the thread pitch and O.D of the nuts on your vehicle before ordering.
Visit our Technical Help page if you are unsure about what brake lines and nuts are on your vehicle.
#2 Nut Pack: Use with 3/16" (CNF-3) brake line Standard American Nuts with master cylinder nuts for 3/16" (CNF-3) tubing SAE (double/inverted/45 degree) flare 19 pieces:
10 ea A1-3 short standard American nut - 3/8 x 24 unf male fully threaded - .562" long - SAE flare
4 ea A1L-3 long standard American nut - 3/8 x 24 male fully threaded - .808" long - SAE flare
2 ea A12-3 master cylinder nut - 7/16 x 24 tpi male, fully threaed - SAE flare
2 ea A13-3 master cylinder nut - 1/2 x 20 unf male, fully threaded - SAE flare
1 ea A14-3 master cylinder nut - 9/16 x 18 unf male, fully threaded - SAE flare
Enough to make 9 and a 1/2 brake lines
Long style nuts are preferred in high vibration areas and some the older style wheel cylinders have deep ports that must be used with a long style nut.