Would i be able to use this on a long reach jax that i got from harbor freight?

If the jack from Harbor freight says use hydraulic jack oil--then this should work. Most oil products with specific use names like Hydraulic Jack Oil have something different that makes them more compatible with a specific tool.

Will this work in an old fashion barber chair

To be honest, I am not sure. I use it strictly for my electric log splitter.

What is the viscosity of this jack oil?

It does not state on the bottle or on any of the other brands of jack oil I have. Including a qt. of autozone. The bottle does say formulated to perform at a wide range of temperatures, and may be mixed with other standard hydraulic jack fluids.

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Johnsen's 5594 Hydraulic Jack Oil - 32 oz.

Johnsen's 5594 Hydraulic Jack Oil - 32 oz.

Product ID: 275710819

Details

Brand
Johnsen's
Item weight
2 Pounds
Liquid volume
32 Fluid
Material
Mineral Oils
Package information
Bottle

⚙️Reduces friction for smooth ops

🌡️Wide temp range performance

🛡️Anti-foam & rust inhibitors

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฿3910

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Description

⚙️ Elevate your hydraulic game with Johnsen's 5594 – where power meets precision!

PRECISION PERFORMANCE - Smooth flow reduces noise and friction, delivering quieter, more efficient lifting power every time.
SEAMLESS COMPATIBILITY - Mixable with standard hydraulic jack oils, making it the versatile choice for professionals and DIYers alike.
ALL WEATHER RELIABILITY - Engineered to maintain optimal viscosity from cold starts to high-heat operations, ensuring your hydraulic jack never misses a beat.
EXTENDED EQUIPMENT LIFE - Advanced anti-foam additives and rust inhibitors protect your tools from wear and corrosion, maximizing longevity and minimizing downtime.
VALUE PACKED 32 OZ BOTTLE - Generous volume with spill-proof packaging offers long-lasting maintenance without frequent refills—smart investment for serious users.

Johnsen's 5594 Hydraulic Jack Oil is a premium 32 oz industrial-grade fluid designed to optimize hydraulic jack performance across a wide temperature range. Featuring anti-foam additives and rust inhibitors, it reduces friction and protects equipment from wear and corrosion. Compatible with other standard hydraulic oils, it ensures smooth, reliable operation and extends the lifespan of your hydraulic systems, making it a trusted choice for professionals and DIY enthusiasts.

Specifications

ASIN	B0002JN2ZE
Best Sellers Rank	#76,864 in Automotive ( See Top 100 in Automotive ) #118 in Motorcycle Chemicals & Fluids #801 in Automotive Oils
Brand Name	Johnsen's
Container Type	Bottle
Customer Reviews	4.7 4.7 out of 5 stars (751)
Global Trade Identification Number	00039101055947
Item Form	Oil
Item Weight	2 Pounds
Liquid Volume	32 Fluid Ounces
Manufacturer	Johnsen's
Material	Mineral Oils
Model Number	5594
Number of Items	1
Part Number	5594
Recommended Uses For Product	hydraulic systems
SAE J300 Viscosity Grade	5W-30
Specific Uses For Product	Lubricate Hydraulic Systems, Prevent Corrosion
UPC	039101055947
Unit Count	946.35 Milliliters
Viscosity	5w-30

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฿3910

Duties & taxes included

In stock

Sold byAmazon ThailandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Thailand.

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