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W104-8-8 Anchor Fluid Power | 4-Bolt Hydraulic Flange, Flat Face | 1/2" Code 61 Flange x 1/2" Female NPTF | Carbon Steel
W104-8-8 Anchor Fluid Power | 4-Bolt Hydraulic Flange, Flat Face | 1/2" Code 61 Flange x 1/2" Female NPTF | Carbon Steel
W104-8-8 Anchor Fluid Power | 4-Bolt Hydraulic Flange, Flat Face | 1/2" Code 61 Flange x 1/2" Female NPTF | Carbon Steel
W104-8-8 Anchor Fluid Power | 4-Bolt Hydraulic Flange, Flat Face | 1/2" Code 61 Flange x 1/2" Female NPTF | Carbon Steel
W104-8-8 Anchor Fluid Power | 4-Bolt Hydraulic Flange, Flat Face | 1/2" Code 61 Flange x 1/2" Female NPTF | Carbon Steel
W104-8-8 Anchor Fluid Power | 4-Bolt Hydraulic Flange, Flat Face | 1/2" Code 61 Flange x 1/2" Female NPTF | Carbon Steel

W104-8-8 by Anchor Fluid Power | 4-Bolt Hydraulic Flange, Flat Face | 1/2" Code 61 Flange x 1/2" Female NPTF | Carbon Steel

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$64.44
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$64.44
$51.27
$51.27 - $51.27
$51.27
Specifications for Variant SKU: W104-8-8 Anchor
Shape (Orientation): Straight
Ends Configuration: 1/2in Code 61 Flange, 1/2in Female NPTF
Material(s): Carbon Steel
Applicable Specs & Approvals: SAE J518
SAE J518 Code 61 & Code 62

NPTF Thread 4-Bolt Flanges

Carbon steel SAE J518 4-bolt flanges with a female NPTF threaded port.

1

What are the key specifications?
Standard

Carbon steel, SAE J518 4-bolt flange pattern

Sizes

Code 61: 1/2" to 3"; Code 62: 1/2" to 2"

Face

O-ring groove or flat face

Mounting Kit

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

2

Which sizes are available?
NPTF Thread 4-Bolt Flanges dimension drawing
Port / 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 (in) J Thread K (in) L UNC-2B Kit O-Ring Kit Screws (4)
Code 61
1/2" W43-8-8 W43-8-8U W104-8-8 1.810 2.130 0.688 1.500 1.420 0.630 1.000 0.502 1/2-14 0.344 5/16-18 2-210 5/16-18 x 1.25
3/4" W43-12-12 W43-12-12U W104-12-12 1.970 2.560 0.875 1.875 1.420 0.710 1.250 0.752 3/4-14 0.406 3/8-16 2-214 3/8-16 x 1.50
1" W43-16-16 W43-16-16U W104-16-16 2.170 2.750 1.031 2.062 1.500 0.710 1.560 1.002 1-11.5 0.406 3/8-16 2-219 3/8-16 x 1.50
1-1/4" W43-20-20 W43-20-20U W104-20-20 2.680 3.120 1.188 2.312 1.610 0.830 1.750 1.252 1-1/4-11.5 0.469 7/16-14 2-222 7/16-14 x 1.75
1-1/2" W43-24-24 W43-24-24U W104-24-24 3.070 3.660 1.406 2.750 1.770 0.980 2.115 1.502 1-1/2-11.5 0.531 1/2-13 2-225 1/2-13 x 1.75
2" W43-32-32 W43-32-32U W104-32-32 3.540 4.000 1.688 3.062 1.770 0.980 2.490 2.002 2-11.5 0.531 1/2-13 2-228 1/2-13 x 1.75
2-1/2" W43-40-40 W43-40-40U W104-40-40 4.090 4.490 2.000 3.500 1.970 0.980 2.995 2.502 2-1/2-8 0.531 1/2-13 2-232 1/2-13 x 1.75
3" W43-48-48 W43-48-48U W104-48-48 4.880 5.280 2.438 4.188 1.970 1.060 3.615 3.002 3-8 0.656 5/8-11 2-237 5/8-11 x 2.00
Code 62
1/2" W44-8-8 W44-8-8U W45-8-8 1.810 2.210 0.718 1.594 1.420 0.630 1.000 0.502 1/2-14 0.344 5/6-18 2-210 5/16-18 x 1.25
3/4" W44-12-12 W44-12-12U W45-12-12 2.170 2.800 0.937 2.000 1.380 0.830 1.250 0.752 3/4-14 0.406 3/8-16 2-214 3/8-16 x 1.50
1" W44-16-16 W44-16-16U W45-16-16 2.560 3.190 1.093 2.250 1.650 0.980 1.560 1.002 1-11.5 0.492 7/16-14 2-219 7/16-14 x 1.75
1-1/4" W44-20-20 W44-20-20U W45-20-20 3.070 3.750 1.250 2.625 1.770 1.060 1.750 1.252 1-1/4-11.5 0.531 1/2-13 2-222 1/2-13 x 1.75
1-1/2" W44-24-24 W44-24-24U W45-24-24 3.700 4.410 1.437 3.125 1.970 1.180 2.115 1.502 1-1/2-11.5 0.656 5/8-11 2-225 5/8-11 x 2.25
2" W44-32-32 W44-32-32U W45-32-32 4.500 5.280 1.750 3.812 2.560 1.460 2.490 2.002 2-11.5 0.781 3/4-10 2-228 3/4-10 x 2.75

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: W104-48-48 = Code 61 NPTF thread 4-bolt flange, flat face, 3" pad.

Code Meaning
Series
W104 Code 61 Flat Face
W43 Code 61 O-Ring Face
W45 Code 62 Flat Face
W44 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: NPTF Thread 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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