3610-00-109-8852 (S40)
NSN 3610-00-109-8852 (NIIN 00-109-8852) is a precision punch in Federal Supply Class 3610, Printing, Duplicating, And Bookbinding Equipment. Manufacturer part number S40 (Custom Register Punches Inc, CAGE 26316); also referenced as S42 (Brown Mfg Company Div Apeco Corp).
NIIN assigned August 1968; DEMIL A (none required); unit of issue EA (each).