NOW FIND THE "D", "E", & "K" 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
K
K
K
K
K
K
K
K
K
K
K
SIZE
D
x
E
1/2" NPTF
3/4" NPTF
1" NPTF
1 1/4" NPTF
1 1/2" NPTF
2" NPTF
2 1/2" NPTF
3" NPTF
3 1/2" NPTF
4" NPTF
5" NPTF
1/2
1.500
x
.688
6161-08-08B
6161-08-12B
6161-08-16B
6161-08-20B
6161-08-24B
6161-08-32B
6161-08-40B
6161-08-48B
6161-08-56B
6161-08-64B
6161-08-80B
3/4
1.875
x
.875
6161-12-08B
6161-12-12B
6161-12-16B
6161-12-20B
6161-12-24B
6161-12-32B
6161-12-40B
6161-12-48B
6161-12-56B
6161-12-64B
6161-12-80B
1
2.062
x
1.031
6161-16-08B
6161-16-12B
6161-16-16B
6161-16-20B
6161-16-24B
6161-16-32B
6161-16-40B
6161-16-48B
6161-16-56B
6161-16-64B
6161-16-80B
1 1/4
2.312
x
1.188
6161-20-08B
6161-20-12B
6161-20-16B
6161-20-20B
6161-20-24B
6161-20-32B
6161-20-40B
6161-20-48B
6161-20-56B
6161-20-64B
6161-20-80B
1 1/2
2.750
x
1.406
6161-24-08B
6161-24-12B
6161-24-16B
6161-24-20B
6161-24-24B
6161-24-32B
6161-24-40B
6161-24-48B
6161-24-56B
6161-24-64B
6161-24-80B
2
3.062
x
1.688
6161-32-08B
6161-32-12B
6161-32-16B
6161-32-20B
6161-32-24B
6161-32-32B
6161-32-40B
6161-32-48B
6161-32-56B
6161-32-64B
6161-32-80B
2 1/2
3.500
x
2.000
6161-40-08B
6161-40-12B
6161-40-16B
6161-40-20B
6161-40-24B
6161-40-32B
6161-40-40B
6161-40-48B
6161-40-56B
6161-40-64B
6161-40-80B
3
4.188
x
2.438
6161-48-08B
6161-48-12B
6161-48-16B
6161-48-20B
6161-48-24B
6161-48-32B
6161-48-40B
6161-48-48B
6161-48-56B
6161-48-64B
6161-48-80B
3 1/2
4.750
x
2.750
6161-56-08B
6161-56-12B
6161-56-16B
6161-56-20B
6161-56-24B
6161-56-32B
6161-56-40B
6161-56-48B
6161-56-56B
6161-56-64B
6161-56-80B
4
5.125
x
3.062
6161-64-08B
6161-64-12B
6161-64-16B
6161-64-20B
6161-64-24B
6161-64-32B
6161-64-40B
6161-64-48B
6161-64-56B
6161-64-64B
6161-64-80B
5
6.000
x
3.625
6161-80-08B
6161-80-12B
6161-80-16B
6161-80-20B
6161-80-24B
6161-80-32B
6161-80-40B
6161-80-48B
6161-80-56B
6161-80-64B
6161-80-80B
Click here to see a catalog page of the bolded part numbers.
