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⚠️⚠️⚠️ Order Fulfillment for Danfoss Products that are not in stock will be delayed an additional 2 weeks while they undergo system changes. ⚠️⚠️⚠️
⚠️⚠️⚠️ Order Fulfillment for Danfoss Products that are not in stock will be delayed an additional 2 weeks while they undergo system changes. ⚠️⚠️⚠️
Adapters & More  > Dust Caps & Plugs  > American Thread Caps and Plugs
FF2138-04S Aeroquip by Danfoss | SAE Male O-Ring Boss (ORB) Plug Adapter (Hex Socket) | -04 Male SAE O-Ring Boss | Steel

FF2138-04S Aeroquip by Danfoss | SAE Male O-Ring Boss (ORB) Plug Adapter (Hex Socket) | -04 Male SAE O-Ring Boss | Steel

$2.98

Aeroquip® by Danfoss
SAE Male O-Ring Boss (ORB) Plug Adapter (Hex Socket)

(Formerly Eaton Aeroquip)
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Our listed prices are our lowest possible price with current costing but when volumes/value are high enough sometimes we can pass on a discount from the manufacturer.

Some products have predefined quantity discounts that will apply automatically, those pages have a table near the price describing the discount teirs.

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What if my item is out of stock?

All customers get an email regarding the shipping time frame of their purchase, usually within the business day. If your item is in stock we will ship within 1 business day, otherwise, the email will contain a lead time. If you do not receive this email, we recommend checking your email's spam folder. If you have any questions at that point please do not hesitate to Contact Us or chat below!

Can I get free shipping?

Shipping will calculate as free instantly if your order value exceeds $5000.

Some exceptions apply.

Free Freight is only available for the Contiguous USA.

Specifications for Variant SKU: FF2138-04S Danfoss
Shape (Orientation): No Orientation
Ends Configuration: 1/4in Male O-Ring Boss
Material(s): Steel
Construction:
  • Buna-N O-Rings are standard.
Steel
with Buna-N O-Ring
Part Number 		Steel
without O-Ring
Part Number 		Tube O.D. Thread T1 A C
(Round)		 B
Hex
FF2138-02S FF2137-02S 0.13" 5/16-24 0.40" 0.44" 0.13"
FF2138-03S FF2137-03S 0.19" 3/8-24 0.40" 0.50" 0.16"
FF2138-04S FF2137-04S 0.25" 7/16-20 0.47" 0.56" 0.19"
FF2138-05S FF2137-05S 0.31" 1/2-20 0.47" 0.63" 0.22"
FF2138-06S FF2137-06S 0.38" 9/16-18 0.50" 0.69" 0.25"
FF2138-08S FF2137-08S 0.50" 3/4-16 0.58" 0.88" 0.32"
FF2138-10S FF2137-10S 0.63" 7/8-14 0.65" 1.00" 0.38"
FF2138-12S FF2137-12S 0.75" 1-1/16-12 0.77" 1.25" 0.57"
FF2138-14S FF2137-14S 0.88" 1-3/16-12 0.77" 1.38" 0.57"
FF2138-16S FF2137-16S 1.00" 1-5/16-12 0.77" 1.50" 0.63"
FF2138-20S FF2137-20S 1.25" 1-5/8-12 0.77" 1.88" 0.75"
Danfoss (Eaton - Aeroquip)

Danfoss (Eaton - Aeroquip)

Danfoss is a global technology leader in power management solutions that make electrical, hydraulic and mechanical power operate more efficiently, reliably, safely and sustainably. Danfoss hydraulic pumps, motors, transmissions, valves, cylinders, controls, hose and fittings offer a unique combination of proven technology and innovative design that translates directly into reliable performance and enhanced uptime.

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