Atlanta Rubber and Hydraulics Inc.

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O-Ring Boss Male Rigid Hydraulic Hose Fittings

Replaces the Discontinued Eaton Weatherhead U Series

Highlights

  • High strength
  • Corrosion resistant coated steel
  • Manufactured to exact specifications to match hydraulic hose

Hose Compatible

  • SAE R1S
  • SAE R2S
  • Thermoplastic R7 & R8

MADE IN THE USA!

U-Series Reference

We have created a reference chart for your convenience at the bottom of this page with additional fitting specifications.

Click on the Specifications button below to view.

The Weatherhead U Series Part Number is located at the end of the Product Name.
There may not be an interchange for all of our hose ends. 
If you are on a phone, click on the small  green plus to view more information.

ImageProduct NameSKUPriceQuick ViewQuantityBuyhf:att:pa_hydraulic-coupling-sizes
3/16" Hose ID x 1/4" - Male Boss O-Ring Rigid Standard Hydraulic Fitting
3/16" Hose ID x 1/4" - Male Boss O-Ring Rigid Standard Hydraulic FittingMB-03-04 $4.26Quick View
3-16
1/4" Hose ID x 1/4" - Male Boss O-Ring Rigid Standard Hydraulic Fitting | 04U-P04
1/4" Hose ID x 1/4" - Male Boss O-Ring Rigid Standard Hydraulic Fitting | 04U-P04MB-04-04 $3.88Quick View
1-4-04
1/4" Hose ID x 5/16" - Male Boss O-Ring Rigid Standard Hydraulic Fitting | 04U-P05
1/4" Hose ID x 5/16" - Male Boss O-Ring Rigid Standard Hydraulic Fitting | 04U-P05MB-04-05 $6.24Quick View
1-4-04
1/4" Hose ID x 3/8" - Male Boss O-Ring Rigid Standard Hydraulic Fitting | 04U-P06
1/4" Hose ID x 3/8" - Male Boss O-Ring Rigid Standard Hydraulic Fitting | 04U-P06MB-04-06 $3.98Quick View
1-4-04
1/4" Hose ID x 1/2" - Male Boss O-Ring Rigid Standard Hydraulic Fitting
1/4" Hose ID x 1/2" - Male Boss O-Ring Rigid Standard Hydraulic FittingMB-04-08 $7.64Quick View
1-4-04
3/8" Hose ID x 3/8" - Male Boss O-Ring Rigid Standard Hydraulic Fitting | 06U-P06
3/8" Hose ID x 3/8" - Male Boss O-Ring Rigid Standard Hydraulic Fitting | 06U-P06MB-06-06 $4.06Quick View
3-8
3/8" Hose ID x 1/2" - Male Boss O-Ring Rigid Standard Hydraulic Fitting | 06U-P08
3/8" Hose ID x 1/2" - Male Boss O-Ring Rigid Standard Hydraulic Fitting | 06U-P08MB-06-08 $4.62Quick View
3-8
3/8" Hose ID x 5/8" - Male Boss O-Ring Rigid Standard Hydraulic Fitting | 06U-P10
3/8" Hose ID x 5/8" - Male Boss O-Ring Rigid Standard Hydraulic Fitting | 06U-P10MB-06-10 $10.32Quick View
3-8
1/2" Hose ID x 1/2" - Male Boss O-Ring Rigid Standard Hydraulic Fitting | 08U-P08
1/2" Hose ID x 1/2" - Male Boss O-Ring Rigid Standard Hydraulic Fitting | 08U-P08MB-08-08 $5.14Quick View
1-2
1/2"  Hose ID x 5/8" - Male Boss O-Ring Rigid Standard Hydraulic Fitting | 08U-P10
1/2" Hose ID x 5/8" - Male Boss O-Ring Rigid Standard Hydraulic Fitting | 08U-P10MB-08-10 $6.14Quick View
1-2
1/2" Hose ID x 3/4" - Male Boss O-Ring Rigid Standard Hydraulic Fitting | 08U-P12
1/2" Hose ID x 3/4" - Male Boss O-Ring Rigid Standard Hydraulic Fitting | 08U-P12MB-08-12 $11.64Quick View
1-2
5/8" Hose ID x 5/8" - Male Boss O-Ring Rigid Standard Hydraulic Fitting | 10U-P10
5/8" Hose ID x 5/8" - Male Boss O-Ring Rigid Standard Hydraulic Fitting | 10U-P10MB-10-10 $14.76Quick View
5-8
5/8" Hose ID x 3/4" - Male Boss O-Ring Rigid Standard Hydraulic Fitting
5/8" Hose ID x 3/4" - Male Boss O-Ring Rigid Standard Hydraulic FittingMB-10-12 $11.72Quick View
5-8
3/4" Hose ID x 5/8" - Male Boss O-Ring Rigid Standard Hydraulic Fitting | 12U-P10
3/4" Hose ID x 5/8" - Male Boss O-Ring Rigid Standard Hydraulic Fitting | 12U-P10MB-12-10 $11.00Quick View
3-4
3/4" Hose ID x 3/4" - Male Boss O-Ring Rigid Standard Hydraulic Fitting | 12U-P12
3/4" Hose ID x 3/4" - Male Boss O-Ring Rigid Standard Hydraulic Fitting | 12U-P12MB-12-12 $10.70Quick View
3-4
3/4" Hose ID x 7/8" - Male Boss O-Ring Rigid Standard Hydraulic Fitting
3/4" Hose ID x 7/8" - Male Boss O-Ring Rigid Standard Hydraulic FittingMB-12-14 $32.18Quick View
3-4
3/4" Hose ID x 1" - Male Boss O-Ring Rigid Standard Hydraulic Fitting
3/4" Hose ID x 1" - Male Boss O-Ring Rigid Standard Hydraulic FittingMB-12-16 $26.76Quick View
3-4
1" Hose ID x 3/4" - Male Boss O-Ring Rigid Standard Hydraulic Fitting
1" Hose ID x 3/4" - Male Boss O-Ring Rigid Standard Hydraulic FittingMB-16-12 $24.20Quick View
1
1" Hose ID x 1" - Male Boss O-Ring Rigid Standard Hydraulic Fitting | 16U-P12
1" Hose ID x 1" - Male Boss O-Ring Rigid Standard Hydraulic Fitting | 16U-P12MB-16-16 $15.24Quick View
1

Technical Specifications for the MB – O-Ring Boss Male Rigid

Our ORB Fittings to Weatherhead U Series Comparison Chart

The Weatherhead U Series Part Number is listed in the first column.
We have more ORB fittings available and there may not be a comparible part number.

Need Further Customization or Assembled Quote