Brand New Carbon Steel Fitting
2403-04-04 / 2403-4-4 / 2403-04 / 2403-4 Hydraulic Fitting: 1/4" Male JIC SAE 37°-Flare x 1/4" Male JIC SAE 37°-Flare Straight Tube Union
Nominal Size: #4 Male JIC x #4 Male JIC
Thread Size Measurements for 2403-04-04: 7/16" - 20 Male JIC 37°-Flare x 7/16" - 20 Male JIC 37°-Flare

2403 Hydraulic Fittings are equivalent to:
Aeroquip: 2027
Parker: 0303
SAE: 070101
Weatherhead: C5305

Please note that this listing description shows Nominal/"Dash" Sizes.
Nominal sizes and Thread sizes measurements are different for JIC, O-Ring, and Flat Face/Face Seal fittings.
To verify actual thread measurements, use calipers to measure the thread size.
A thread chart is included in the photo section of this listing for reference. 

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