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Carbon steel 90-degree hydraulic elbow fitting with male ORS and ORB threads

Eaton

Eaton Aeroquip FF1868T1008S 90° Elbow ORS-ORB 5/8-1/2in

SKU CH-3YF4-30ZQA

90-degree hydraulic elbow connects 5/8 in ORS to 1/2 in ORB male fittings at 7,500 psi with carbon steel construction and included O-ring

  • 90-degree elbow routes hose in tight spaces
  • 7,500 psi rating handles high-pressure hydraulic systems
  • Male ORS to male ORB connects 5/8 in to 1/2 in ports
  • Carbon steel construction resists corrosion and wear
  • O-ring included provides reliable seal on installation

90° ORS-ORB Elbow Adapter

This Eaton Aeroquip fitting connects a male ORS port to a male ORB port with a 90-degree rigid elbow. It is built for hydraulic hose assemblies that require a compact change of direction between dissimilar thread standards. The carbon steel body suits industrial and mobile equipment circuits. Mechanics and system integrators use it where space forces a sharp turn.

Replaces Straight ORS-to-ORB Couplings

A straight adapter forces the hose to loop or kink when the ports sit at right angles. This elbow removes that bend radius stress and shortens the overall assembly length. The jump is worth it whenever the hose route must turn 90 degrees within a tight envelope and a swivel fitting would add unwanted length or leak paths.

Rated to 7 500 psi Working Pressure

The joint handles high-pressure hydraulic oil in stationary and mobile systems up to the stated limit. Carbon steel construction resists impulse fatigue in constant-pressure circuits. It runs out when the application demands stainless steel for corrosion resistance or when the port sizes exceed the 5/8 and 1/2 inch combination.

How it compares

Measured against everything we stock in Hose Fittings, Adapters & Clamps, at today’s prices. Recalculated every night.

Price $20.99
Pricier than about 55% of the 2,955 comparable items (median $17.99).

Specifications

Product
Brand nameEATON AEROQUIP

Questions about this item

What thread sizes must the ports have to accept the 5/8 in ORS and 1/2 in ORB ends of this elbow?

The ORS end uses a 13/16-16 thread and the ORB end uses a 3/4-16 thread, matching the stated sizes for each connection.

How should the included O-ring be handled during installation to avoid a leak path?

Lubricate the O-ring with clean hydraulic fluid, seat it fully in the ORB groove, then tighten the male ORB end to the port’s specified torque without over-compressing the seal.

When should this carbon-steel 90° elbow be inspected or replaced in a 7,500 psi hydraulic system?

Inspect the fitting at every scheduled system check for corrosion, thread damage or O-ring degradation, and replace it if any sealing surface shows wear or if the elbow has been subjected to pressure spikes beyond its rating.

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