bn-7 [mk1] block casting number

[Mr_Mxyztplk]

Hi all,

does anyone know what number is cast into the block of the early BN-7's Is is AEC 881? Thank you.

 

[Duane_Rhynard]

AEC 881 is the correct casting number on the BN7 Block. The correct BN4 and BN6 casting number is AEC 335.

Good luck,

Duane
'58 BN6

 

[Mr_Mxyztplk]

thank you.