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3AN/Female Inverted Flare 3/8-20 (BSF) Brake Adapter

Click for a larger picture of 3AN/Female Inverted Flare 3/8-20 (BSF) Brake Adapter

This steel brake adapter has a female 3/8-20 inverted flare (convex) fitting on one end and a 3AN male (3/8-24, 37° convex) on the other.

The 3/8-20 thread is a very unusal size, adapted from BSF (British Standard Fine) bolt threads on some pre- and immediate post-war British cars such as MG/Morris. 1/8 BSP (0.38" x 28 TPI) is the more common size in British fluid systems, but both sizes were largely replaced with the more common 3/8-24 UNF (Unified Fine) thread after WWII.

Sold individually.

Part No.
Stock Status

Condition: New

1 to 5: $22.49 

6 & up: $20.93 

In Stock
Related Product Groups
3AN Brake Adapter Fittings