BTJ2350 PIN.  Handbrake pawl Pivot Pin for early BMC tractors.  

Dimensions: 
Length – 1.165″ inch (29.6 mm).  Large diameter – ¹/₂” inch (12.7 mm).  Small diameter – ⁷/₁₆” inch (11.1 mm).

Later tractors used BTJ3087 PIVOT PIN which is longer so please check the length of yours before ordering.

See item number 38 in this BMC Mini brake pedal linkage parts drawing.

Fitted to tractors:

• BMC Mini

BMC Mini Brakes