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 - 304L Stainless Steel
C61 PATTERN
F
F
F
F
F
F
F
F
F
F
F
SIZE
D
x
E
1/2" (.25)
3/4" (.44)
1" (.60)
1 1/4" (.89)
1 1/2" (1.10)
2" (1.50)
2 1/2" (1.77)
3" (2.30)
3 1/2" (2.73)
4" (3.15)
5" (4.06)
1/2
1.500
x
.688
6121-08-08BM8
6121-08-12BM8
6121-08-16BM8
6121-08-20BM8
6121-08-24BM8
6121-08-32BM8
6121-08-40BM8
6121-08-48BM8
6121-08-56BM8
6121-08-64BM8
6121-08-80BM8
3/4
1.875
x
.875
6121-12-08BM10
6121-12-12BM10
6121-12-16BM10
6121-12-20BM10
6121-12-24BM10
6121-12-32BM10
6121-12-40BM10
6121-12-48BM10
6121-12-56BM10
6121-12-64BM10
6121-12-80BM10
1
2.062
x
1.031
6121-16-08BM10
6121-16-12BM10
6121-16-16BM10
6121-16-20BM10
6121-16-24BM10
6121-16-32BM10
6121-16-40BM10
6121-16-48BM10
6121-16-56BM10
6121-16-64BM10
6121-16-80BM10
1 1/4
2.312
x
1.188
6121-20-08BM10
6121-20-12BM10
6121-20-16BM10
6121-20-20BM10
6121-20-24BM10
6121-20-32BM10
6121-20-40BM10
6121-20-48BM10
6121-20-56BM10
6121-20-64BM10
6121-20-80BM10
1 1/2
2.750
x
1.406
6121-24-08BM12
6121-24-12BM12
6121-24-16BM12
6121-24-20BM12
6121-24-24BM12
6121-24-32BM12
6121-24-40BM12
6121-24-48BM12
6121-24-56BM12
6121-24-64BM12
6121-24-80BM12
2
3.062
x
1.688
6121-32-08BM12
6121-32-12BM12
6121-32-16BM12
6121-32-20BM12
6121-32-24BM12
6121-32-32BM12
6121-32-40BM12
6121-32-48BM12
6121-32-56BM12
6121-32-64BM12
6121-32-80BM12
2 1/2
3.500
x
2.000
6121-40-08BM12
6121-40-12BM12
6121-40-16BM12
6121-40-20BM12
6121-40-24BM12
6121-40-32BM12
6121-40-40BM12
6121-40-48BM12
6121-40-56BM12
6121-40-64BM12
6121-40-80BM12
3
4.188
x
2.438
6121-48-08BM16
6121-48-12BM16
6121-48-16BM16
6121-48-20BM16
6121-48-24BM16
6121-48-32BM16
6121-48-40BM16
6121-48-48BM16
6121-48-56BM16
6121-48-64BM16
6121-48-80BM16
3 1/2
4.750
x
2.750
6121-56-08BM16
6121-56-12BM16
6121-56-16BM16
6121-56-20BM16
6121-56-24BM16
6121-56-32BM16
6121-56-40BM16
6121-56-48BM16
6121-56-56BM16
6121-56-64BM16
6121-56-80BM16
4
5.125
x
3.062
6121-64-08BM16
6121-64-12BM16
6121-64-16BM16
6121-64-20BM16
6121-64-24BM16
6121-64-32BM16
6121-64-40BM16
6121-64-48BM16
6121-64-56BM16
6121-64-64BM16
6121-64-80BM16
5
6.000
x
3.625
6121-80-08BM16
6121-80-12BM16
6121-80-16BM16
6121-80-20BM16
6121-80-24BM16
6121-80-32BM16
6121-80-40BM16
6121-80-48BM16
6121-80-56BM16
6121-80-64BM16
6121-80-80BM16
