O 4X .75 in 19 mm 2X 16.50 in 419 mm 2X 1.88 in 48 mm 2X 2.00 in 51 mm 2X 11.00 in 279 mm 15.00 in 381 mm TOP VIEW 20.56 in 522 mm 2.00 in 51 mm 18.31 in 465 mm 19" MTG 83.00 in 2108 mm 77.00 in 1956 mm 44U #10-32 UNF STANDARD EIA SPACING. (FRONT FLANGE ONLY) DNRR77HDW 17.75 in 451 mm OPENING FRONT VIEW 6.00 in 152 mm 3.00 in 76 mm PART NUMBERS PAINTED BLACK THIN FILM NOTES Welded Assembly See Hammond Website for Additional Accessories SIDE VIEW Data subject to change without notice. Isometric drawing not to scale. www.hammondmfg.com PART NO. DNRR77HDW