General Characteristics Item Description
Press p/n a3221 into p/n a7638,drill no. 68 0.0310 in. thru existinghole install dowel pin,pinion a3221 to be concentric to a7638 bearingjournals within 0.001 in.
Pinion And Jackscrew Assembly, Ac, also referenced with federal logistics item name code
National Stock Number (NSN): 1680-00-001-2295