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
SQ3 PATTERN
K
K
K
K
K
K
K
K
K
K
K
D
x
E
-8 (3/4-16)
-10 7/8-14)
-12 (1 1/16-12)
-14 (1 3/16-12)
-16 (1 5/16-12)
-20 (1 5/8-12)
-24 (1 7/8-12)
-32 ( 2 1/2-12)
-40 (3-12)
-48 (4-12)
-64 (4 1/2-12)
1.438
x
1.438
6439-08-08B
6439-12-10B
6439-12-12B
6439-12-14B
6439-12-16B
6439-12-20B
6439-12-24B
6439-12-32B
6439-12-40B
6439-12-48B
6439-12-64B
2.000
x
2.000
6439-16-08B
6439-16-10B
6439-16-12B
6439-16-14B
6439-16-16B
6439-20-20B
6439-20-24B
6439-20-32B
6439-20-40B
6439-20-48B
6439-20-64B
2.750
x
2.750
6439-24-08B
6439-24-10B
6439-24-12B
6439-24-14B
6439-24-16B
6439-24-20
6439-24-24B
6439-32-32B
6439-32-40B
6439-32-48B
6439-32-64B
3.750
x
3.750
6439-40-08B
6439-40-10B
6439-40-12B
6439-40-14B
6439-40-16B
6439-40-20B
6439-40-24B
6439-40-32B
6439-40-40B
6439-48-48B
6439-48-64B
4.250
x
4.250
6439-56-08B
6439-56-10B
6439-56-12B
6439-56-14B
6439-56-16B
6439-56-20B
6439-56-24B
6439-56-32B
6439-56-40B
6439-56-48B
6439-56-64B
5.000
x
5.000
6439-64-08B
6439-64-10B
6439-64-12B
6439-64-14B
6439-64-16B
6439-64-20B
6439-64-24B
6439-64-32B
6439-64-40B
6439-64-48B
6439-64-64B
6.000
x
6.000
6439-80-08B
6439-80-10B
6439-80-12B
6439-80-14B
6439-80-16B
6439-80-20B
6439-80-24B
6439-80-32B
6439-80-40B
6439-80-48B
6439-80-64B
