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BackUp-Flgs
Back-Up Plate Flanges
Unit of Measure
1 

Item #

Item Name

Tube Size

Tube Outside Diameter (OD)

Tube Inside Diameter (ID) for Angle Face Ring (AFR)

Tube Inside Diameter (ID) for Stud End

1295 N/A 2 Inch (in) Tube Size Back-Up Plate Flange N/A 2 in N/A 6 in N/A 2-3/8 in N/A 2-1/8 in
1296 N/A 2-1/2 Inch (in) Tube Size Back-Up Plate Flange N/A 2-1/2 in N/A 7 in N/A 2-7/8 in N/A 2-5/8 in
1297 N/A 3 Inch (in) Tube Size Back-Up Plate Flange N/A 3 in N/A 7-1/2 in N/A 3-5/8 in N/A 3-1/8 in
1298 N/A 3-1/2 Inch (in) Tube Size Back-Up Plate Flange N/A 3-1/2 in N/A 8-1/2 in N/A 4 in N/A 3-5/8 in
1299 N/A 4 Inch (in) Tube Size Back-Up Plate Flange N/A 4 in N/A 9 in N/A 4-5/8 in N/A 4-1/8 in
1300 N/A 5 Inch (in) Tube Size Back-Up Plate Flange N/A 5 in N/A 10 in N/A 5-1/2 in N/A 5-1/8 in
1301 N/A 6 Inch (in) Tube Size Back-Up Plate Flange N/A 6 in N/A 11 in N/A 6-5/8 in N/A 6-1/8 in
1302 N/A 8 Inch (in) Tube Size Back-Up Plate Flange N/A 8 in N/A 13-1/2 in N/A 8-3/4 in N/A 8-1/8 in
1303 N/A 10 Inch (in) Tube Size Back-Up Plate Flange N/A 10 in N/A 16 in N/A 10-5/8 in N/A 10-1/8 in
1304 N/A 12 Inch (in) Tube Size Back-Up Plate Flange N/A 12 in N/A 19 in N/A 12-3/4 in N/A 12-1/8 in
1305 N/A 14 Inch (in) Tube Size Back-Up Plate Flange N/A 14 in N/A 21 in N/A 14-3/4 in N/A 14-1/4 in
1306 N/A 16 Inch (in) Tube Size Back-Up Plate Flange N/A 16 in N/A 23-1/2 in N/A 16-3/4 in N/A 16-1/4 in
1307 N/A 18 Inch (in) Tube Size Back-Up Plate Flange N/A 18 in N/A 25 in N/A 18-3/4 in N/A 18-1/4 in
1308 N/A 20 Inch (in) Tube Size Back-Up Plate Flange N/A 20 in N/A 27-1/2 in N/A 20-3/4 in N/A 20-1/4 in
1309 N/A 24 Inch (in) Tube Size Back-Up Plate Flange N/A 24 in N/A 32 in N/A 24-3/4 in N/A 24-1/4 in
1310 N/A 30 Inch (in) Tube Size Back-Up Plate Flange N/A 30 in N/A 38-3/4 in N/A 30-7/8 in N/A 30-1/4 in
1311 N/A 36 Inch (in) Tube Size Back-Up Plate Flange N/A 36 in N/A 46 in N/A 36-7/8 in N/A 36-1/4 in
Unit of Measure
1