NOW FIND THE "D", "E", & "F" DIMENSIONS IN THE TABLE BELOW
TO FIND YOUR PART NUMBER.
CONTACT ENGINEERING FOR HELP WITH GRAYED-OUT ITEMS.
Carbon Steel Part No. 304L SS Part No. 316L SS Part No.
O-RING STYLE FLANGE PART NUMBER - 316L Stainless Steel
SQ6 PATTERN
F
F
F
F
F
F
F
F
F
F
F
SIZE
D
x
E
1/2" (.62)
3/4" (.82)
1" (1.04)
1 1/4" (1.38)
1 1/2" (1.61)
2" (2.06)
2 1/2" (2.47)
3" (3.06)
3 1/2" (3.54)
4" (4.02)
5" (5.04)
1/2
1.438
x
1.438
6397-08-08D
6397-08-12D
6397-08-16D
6397-08-20D
6397-08-24D
6397-08-32D
6397-08-40D
6397-08-48D
6397-08-56D
6397-08-64D
6397-08-80D
3/4
1.750
x
1.750
6397-12-08D
6397-12-12D
6397-12-16D
6397-12-20D
6397-12-24D
6397-12-32D
6397-12-40D
6397-12-48D
6397-12-56D
6397-12-64D
6397-12-80D
1
2.000
x
2.000
6397-16-08D
6397-16-12D
6397-16-16D
6397-16-20D
6397-16-24D
6397-16-32D
6397-16-40D
6397-16-48D
6397-16-56D
6397-16-64D
6397-16-80D
1 1/4
2.750
x
2.750
6397-20-08D
6397-20-12D
6397-20-16D
6397-20-20D
6397-20-24D
6397-20-32D
6397-20-40D
6397-20-48D
6397-20-56D
6397-20-64D
6397-20-80D
1 1/2
2.750
x
2.750
6397-24-08D
6397-24-12D
6397-24-16D
6397-24-20D
6397-24-24D
6397-24-32D
6397-24-40D
6397-24-48D
6397-24-56D
6397-24-64D
6397-24-80D
2
3.500
x
3.500
6397-32-08D
6397-32-12D
6397-32-16D
6397-32-20D
6397-32-24D
6397-32-32D
6397-32-40D
6397-32-48D
6397-32-56D
6397-32-64D
6397-32-80D
2 1/2
3.750
x
3.750
6397-40-08D
6397-40-12D
6397-40-16D
6397-40-20D
6397-40-24D
6397-40-32D
6397-40-40D
6397-40-48D
6397-40-56D
6397-40-64D
6397-40-80D
3
4.750
x
4.750
6397-48-08D
6397-48-12D
6397-48-16D
6397-48-20D
6397-48-24D
6397-48-32D
6397-48-40D
6397-48-48D
6397-48-56D
6397-48-64D
6397-48-80D
3 1/2
5.500
x
5.500
6397-56-08D
6397-56-12D
6397-56-16D
6397-56-20D
6397-56-24D
6397-56-32D
6397-56-40D
6397-56-48D
6397-56-56D
6397-56-64D
6397-56-80D
4
6.000
x
6.000
6397-64-08D
6397-64-12D
6397-64-16D
6397-64-20D
6397-64-24D
6397-64-32D
6397-64-40D
6397-64-48D
6397-64-56D
6397-64-64D
6397-64-80D
5
7.250
x
7.250
6397-80-08D
6397-80-12D
6397-80-16D
6397-80-20D
6397-80-24D
6397-80-32D
6397-80-40D
6397-80-48D
6397-80-56D
6397-80-64D
6397-80-80D
