DIRECTION OF LOADS:

Drawing of mailbox.

Details from top to left:
Top: Bolster Plate
3 in x 3 in
Position 1
Position 2
Position 6

Left:
Bolster Plate
2 in x 6 in
Position 3
Position 5
Position 4
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Back to the U.S. POSTAL SERVICE STANDARD MAILBOXES, CURBSIDE page.