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    Member Calflash's Avatar
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    Drawing Numbers ??

    On my Garandicon barrel drawing number D35448-37 A116A and S-A-10-48.
    ON the bolt 2827-12SA and RE6B
    P (no circle) K and 1on stock.
    What do they mean?

    US Army
    Nam 66-67

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    The drawing number "D35448-37" is D35448 with revision number 37. Meaning the barrel has gone through 36 changes prior to yours. The S-A-10-48 means your barrel was made in October 1948 by Springfield Armory. These revisions are updates and improvements. The bolt is actually D28287-12SA meaning the same as that for the barrel and, the addition of SA meaning Springfield Armory. The RE6B is the heat lot code for the bolts heat treating process. Your bolt is correct for a mid 1942 somewhere in the 680,000 range. The "P" is a proof stamp applied to the grip. As for the "K" and "1"???
    Bill Hollinger

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    Member Calflash's Avatar
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    Thanks for the info. Now for the stock stamps. I can't even tell the differences in types of stocks. I'm a newbe with Garands. Us truck drivers had M14's the grunts had M16icon's.
    US Army
    Nam 66-67

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    The "D" indicates the size of the sheet of paper used by the draftsman. Basically a filing measure - a small part could be drawn on a small sheet. Larger components required larger drawings. If a design change became necessary knowing the drawing number would tell the engineers/draftsman what cabinet or drawer where the original could be found. (now of course probably on line!)

    The "core" (in your case 35448) of the drawing number also became the seed of the stock number for spare parts ordering and control.

    Regards,
    Jim

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    The early M1icon Rifle came along in the hay day of using drawing numbers. The use of the drawing numbers on parts probably peaked in the 1935 to 1940 time period. They had just started using them on the 1903 Springfield parts at about the time the 1903 was being phased out, and with the adoption of the M1 Rifle virtually every part was stamped with the drawing number, but this too was phased out for most of the small parts in the 1940 time period.

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