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O-Ring Boss Braided
Hydraulic Hose Couplings

Atlanta Rubber & Hydraulics Inc.

The O-Ring Boss male will only mate with an O-Ring Boss female. The female is generally found on ports.

The make has straight threads, a sealing face and an O-Ring. The female has straight threads and a sealing face.
The seal is made at the O-Ring location on the male and the sealing face location on the female.

Since Eaton Weatherhead® U Series has been discontinued, refer to the part number provided as a cross reference to our American made hose ends.
No need to purchase new crimping maching or tooling.

O-Ring Boss (ORB)
Male Rigid

Part Number:
08U-P12 | MB-08-12

O-Ring Boss (ORB)
Male Swivel

Part Number Example:
06U-R06 | MBX-06-08

O-Ring Boss (ORB)
Male Swivel 90° Block Style

Part Number Example:
08U-R10 | MBX90-08-10

O-Ring Boss Hydraulic Hose Fittings Thread Chart


Atlanta Rubber & Hydraulics Inc and it’s related companies is in no way affiliated with or are an authorized distributor or Eaton Corporation or its affiliates. All descriptions, part numbers and the use of the Eaton name or any trademarks such as Aeroquip or Weatherhead are only for reference purposes only. Eaton Corporation is the sole owner of the Eaton name and trademarks, and has not sponsored or endorsed Atlanta Rubber & Hydraulics or any of its respected products, including the products described on this web page. It is neither inferred nor implied that any of the aftermarket products viewed or sold on this web page are a product of Eaton Corporation