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 - 316L 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
6439-08-08D
6439-12-10D
6439-12-12D
6439-12-14D
6439-12-16D
6439-12-20D
6439-12-24D
6439-12-32D
6439-12-40D
6439-12-48D
6439-12-64D
2.000
x
2.000
6439-16-08D
6439-16-10D
6439-16-12D
6439-16-14D
6439-16-16D
6439-20-20D
6439-20-24D
6439-20-32D
6439-20-40D
6439-20-48D
6439-20-64D
2.750
x
2.750
6439-24-08D
6439-24-10D
6439-24-12D
6439-24-14D
6439-24-16D
6439-24-20
6439-24-24D
6439-32-32D
6439-32-40D
6439-32-48D
6439-32-64D
3.750
x
3.750
6439-40-08D
6439-40-10D
6439-40-12D
6439-40-14D
6439-40-16D
6439-40-20D
6439-40-24D
6439-40-32D
6439-40-40D
6439-48-48D
6439-48-64D
4.250
x
4.250
6439-56-08D
6439-56-10D
6439-56-12D
6439-56-14D
6439-56-16D
6439-56-20D
6439-56-24D
6439-56-32D
6439-56-40D
6439-56-48D
6439-56-64D
5.000
x
5.000
6439-64-08D
6439-64-10D
6439-64-12D
6439-64-14D
6439-64-16D
6439-64-20D
6439-64-24D
6439-64-32D
6439-64-40D
6439-64-48D
6439-64-64D
6.000
x
6.000
6439-80-08D
6439-80-10D
6439-80-12D
6439-80-14D
6439-80-16D
6439-80-20D
6439-80-24D
6439-80-32D
6439-80-40D
6439-80-48D
6439-80-64D
