


W39-40-40 by Anchor Fluid Power | Blanking 4-Bolt Hydraulic Flange, Flat Face | 2-1/2" Code 62 Flange | Carbon Steel
Blanking 4-Bolt Flanges
Carbon steel solid blank that closes off a 4-bolt flange port, SAE J518 4-bolt pattern.
1
What are the key specifications?
Carbon steel, SAE J518 4-bolt flange pattern
Code 61: 1/2" to 4"; Code 62: 1/2" to 3"
O-ring groove or flat face
Suffix U: O-ring + 4 socket head cap screws
2
Which sizes are available?
| Pad Size | O-Ring Face | O-Ring + Kit | Flat Face | A (in) | B (in) | C (in) | D (in) | E (in) | F (in) | G (in) | H UNC-2B | Kit O-Ring | Kit Screws (4) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Code 61 | |||||||||||||
| 1/2" | W36-8-8 | W36-8-8U | W37-8-8 | 1.813 | 2.125 | 0.688 | 1.500 | 0.750 | 1.000 | 0.344 | 5/16-18 | 2-210 | 5/16-18 x 1.50 |
| 3/4" | W36-12-12 | W36-12-12U | W37-12-12 | 2.063 | 2.563 | 0.875 | 1.875 | 0.750 | 1.250 | 0.406 | 3/8-16 | 2-214 | 3/8-16 x 1.50 |
| 1" | W36-16-16 | W36-16-16U | W37-16-16 | 2.313 | 2.750 | 1.031 | 2.063 | 0.880 | 1.560 | 0.406 | 3/8-16 | 2-219 | 3/8-16 x 1.75 |
| 1-1/4" | W36-20-20 | W36-20-20U | W37-20-20 | 2.875 | 3.125 | 1.188 | 2.313 | 0.940 | 1.750 | 0.469 | 7/16-14 | 2-222 | 7/16-14 x 1.75 |
| 1-1/2" | W36-24-24 | W36-24-24U | W37-24-24 | 3.250 | 3.688 | 1.406 | 2.750 | 1.190 | 2.115 | 0.531 | 1/2-13 | 2-225 | 1/2-13 x 2.25 |
| 2" | W36-32-32 | W36-32-32U | W37-32-32 | 3.813 | 4.000 | 1.688 | 3.063 | 1.440 | 2.490 | 0.531 | 1/2-13 | 2-228 | 1/2-13 x 2.50 |
| 2-1/2" | W36-40-40 | W36-40-40U | W37-40-40 | 4.281 | 4.500 | 2.000 | 3.500 | 1.820 | 2.995 | 0.531 | 1/2-13 | 2-232 | 1/2-13 x 2.75 |
| 3" | W36-48-48 | W36-48-48U | W37-48-48 | 5.156 | 5.313 | 2.438 | 4.188 | 2.190 | 3.615 | 0.656 | 5/8-11 | 2-237 | 5/8-11 x 3.50 |
| 3-1/2" | W36-56-56 | W36-56-56U | W37-56-56 | 5.500 | 6.000 | 2.750 | 4.750 | 1.440 | 4.095 | 0.656 | 5/8-11 | 2-241 | 5/8-11 x 2.75 |
| 4" | W36-64-64 | W36-64-64U | W37-64-64 | 6.000 | 6.380 | 3.062 | 5.125 | 1.440 | 4.595 | 0.656 | 5/8-11 | 2-245 | 5/8-11 x 2.75 |
| Code 62 | |||||||||||||
| 1/2" | W38-8-8 | W38-8-8U | W39-8-8 | 1.940 | 2.300 | 0.718 | 1.594 | 1.250 | 1.000 | 0.344 | 5/16-18 | 2-210 | 5/16-18 x 2.00 |
| 3/4" | W38-12-12 | W38-12-12U | W39-12-12 | 2.500 | 2.950 | 0.937 | 2.000 | 1.250 | 1.250 | 0.406 | 3/8-16 | 2-214 | 3/8-16 x 2.00 |
| 1" | W38-16-16 | W38-16-16U | W39-16-16 | 2.750 | 3.190 | 1.093 | 2.250 | 1.500 | 1.560 | 0.492 | 7/16-14 | 2-219 | 7/16-14 x 2.50 |
| 1-1/4" | W38-20-20 | W38-20-20U | W39-20-20 | 3.060 | 3.750 | 1.250 | 2.625 | 1.430 | 1.750 | 0.531 | 1/2-13 | 2-222 | 1/2-13 x 2.50 |
| 1-1/2" | W38-24-24 | W38-24-24U | W39-24-24 | 3.750 | 4.440 | 1.437 | 3.125 | 1.820 | 2.115 | 0.656 | 5/8-11 | 2-225 | 5/8-11 x 3.00 |
| 2" | W38-32-32 | W38-32-32U | W39-32-32 | 4.500 | 5.250 | 1.750 | 3.812 | 1.820 | 2.490 | 0.781 | 3/4-10 | 2-228 | 3/4-10 x 3.00 |
| 2-1/2" | W38-40-40 | W38-40-40U | W39-40-40 | 5.870 | 6.870 | 2.311 | 4.874 | 1.930 | 2.995 | 0.906 | 7/8-9 | 2-232 | 7/8-9 x 3.50 |
| 3" | W38-48-48 | W38-48-48U | W39-48-48 | 7.000 | 8.500 | 2.811 | 6.000 | 2.690 | 3.615 | 1.190 | 1-1/8-7 | 2-237 | 1 1/8-7 x 4.50 |
Dimensions in inches; letters as on the drawing. O-ring face (Fig. 1) and flat face (Fig. 2) share dimensions except the O-ring groove. “+ Kit” part numbers (suffix U) include the mounting kit: 1 O-ring and 4 socket head cap screws.
3
How do I read the part number?
Example: W37-64-64 = Code 61 blanking 4-bolt flange, flat face, 4" pad.
| Code | Meaning |
|---|---|
| Series | |
| W37 | Code 61 Flat Face |
| W36 | Code 61 O-Ring Face |
| W39 | Code 62 Flat Face |
| W38 | Code 62 O-Ring Face |
| Sizes | |
| Dash number | Pad (flange) size in 1/16" |
| U suffix | Mounting kit included: O-ring + 4 SHCS |
4
Where can I find product documents?
Anchor Catalog Page: Blanking 4-Bolt Flanges
Dimension tables by part number with mounting hardware.
How is this product sold?
Each. Part numbers ending in U include the mounting kit (1 O-ring, 4 socket head cap screws); others are the flange only.
Additional Product Data:

