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W304-8-8U Anchor Fluid Power | 4-Bolt Hydraulic Flange, O-Ring Face, with Mounting Kit | 1/2" Code 61 Flange x 1/2" Male O-Ring Face Seal | Carbon Steel
W304-8-8U Anchor Fluid Power | 4-Bolt Hydraulic Flange, O-Ring Face, with Mounting Kit | 1/2" Code 61 Flange x 1/2" Male O-Ring Face Seal | Carbon Steel
W304-8-8U Anchor Fluid Power | 4-Bolt Hydraulic Flange, O-Ring Face, with Mounting Kit | 1/2" Code 61 Flange x 1/2" Male O-Ring Face Seal | Carbon Steel
W304-8-8U Anchor Fluid Power | 4-Bolt Hydraulic Flange, O-Ring Face, with Mounting Kit | 1/2" Code 61 Flange x 1/2" Male O-Ring Face Seal | Carbon Steel
W304-8-8U Anchor Fluid Power | 4-Bolt Hydraulic Flange, O-Ring Face, with Mounting Kit | 1/2" Code 61 Flange x 1/2" Male O-Ring Face Seal | Carbon Steel
W304-8-8U Anchor Fluid Power | 4-Bolt Hydraulic Flange, O-Ring Face, with Mounting Kit | 1/2" Code 61 Flange x 1/2" Male O-Ring Face Seal | Carbon Steel

W304-8-8U by Anchor Fluid Power | 4-Bolt Hydraulic Flange, O-Ring Face, with Mounting Kit | 1/2" Code 61 Flange x 1/2" Male O-Ring Face Seal | Carbon Steel

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$83.14
$83.14 - $83.14
$83.14
$55.42
$55.42 - $55.42
$55.42
Specifications for Variant SKU: W304-8-8U Anchor
Shape (Orientation): Straight
Ends Configuration: 1/2in Code 61 Flange, 1/2in Male O-Ring Face Seal
Material(s): Carbon Steel
Applicable Specs & Approvals: SAE J518, SAE J1453
SAE J518 Code 61 & Code 62

Male ORFS 4-Bolt Flanges

Carbon steel SAE J518 4-bolt flanges with a male O-ring face seal (SAE J1453) end.

1

What are the key specifications?
Standard

Carbon steel, SAE J518 4-bolt flange pattern

Sizes

Code 61: 1/2" to 1-1/2"; Code 62: 1/2" to 1-1/2"

Face

O-ring groove

Mounting Kit

Suffix U: O-ring + 4 socket head cap screws

2

Which sizes are available?
Male ORFS 4-Bolt Flanges dimension drawing
Tube / Pad Size O-Ring Face O-Ring + Kit A (in) B (in) C (in) D (in) E (in) F (in) G (in) H (in) J (in) K (in) L Thread Kit O-Ring Kit Screws (4)
Code 61
1/2" W304-8-8 W304-8-8U 1.810 2.130 0.688 1.500 1.750 0.880 1.000 0.374 0.512 0.344 13/16-16 2-210 5/16-18 x 1.25
3/4" W304-12-12 W304-12-12U 1.970 2.560 0.875 1.875 2.000 0.880 1.250 0.611 0.670 0.413 1-3/16-12 2-214 3/8-16 x 1.50
1" W304-16-16 W304-16-16U 2.170 2.750 1.031 2.062 2.000 0.880 1.560 0.807 0.689 0.413 1-7/16-12 2-219 3/8-16 x 1.50
1-1/4" W304-20-20 W304-20-20U 2.680 3.120 1.188 2.312 2.250 0.880 1.750 1.024 0.689 0.469 1-11/16-12 2-222 7/16-14 x 1.75
1-1/2" W304-24-24 W304-24-24U 3.070 3.660 1.406 2.750 2.500 0.980 2.115 1.260 0.689 0.531 2-12 2-225 1/2-13 x 2.00
Code 62
1/2" W604-8-8 W604-8-8U 1.810 2.210 0.719 1.594 1.750 0.880 1.000 0.374 0.512 0.344 13/16-16 2-210 5/16-18 x 1.25
3/4" W604-12-12 W604-12-12U 2.170 2.800 0.937 2.000 2.250 0.880 1.250 0.611 0.670 0.413 1-3/16-12 2-214 3/8-16 x 1.50
1" W604-16-16 W604-16-16U 2.560 3.190 1.093 2.250 2.500 0.980 1.560 0.807 0.689 0.492 1-7/16-12 2-219 7/16-14 x 1.75
1-1/4" W604-20-20 W604-20-20U 3.070 3.750 1.250 2.625 2.620 1.060 1.750 1.024 0.689 0.531 1-11/16-12 2-222 1/2-13 x 1.75
1-1/2" W604-24-24 W604-24-24U 3.700 4.410 1.437 3.125 2.880 1.180 2.115 1.260 0.689 0.656 2-12 2-225 5/8-11 x 2.25

Dimensions in inches; letters as on the drawing. “+ 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: W604-8-8 = Code 62 male ORFS 4-bolt flange, O-ring face, 1/2" pad.

Code Meaning
Series
W304 Code 61 O-Ring Face
W604 Code 62 O-Ring Face
Sizes
First dash number in 1/16"
Second dash number Pad (flange) size in 1/16"
U suffix Mounting kit included: O-ring + 4 SHCS
4

Where can I find product documents?
PDF

Anchor Catalog Page: Male ORFS 4-Bolt Flanges

Dimension tables by part number with mounting hardware.

i
Dimensions are from Anchor Fluid Power and are subject to change without notice.

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.

Anchor Fluid Power

Anchor Fluid Power is a Cincinnati, Ohio–based manufacturer of hydraulic connection components, with an additional stocking facility in Houston, Texas. The ISO 9001 and ISO 45001 registered company produces flanges, couplings, valves, and fittings, along with custom components built to specification. Anchor products are used in mobile and stationary hydraulic equipment across a wide range of industries.

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