Skip to content
🏭 Retail & Wholesale Distribution 📓 Please create an account for B2B access (takes 30 seconds)
🏭 Retail & Wholesale Distribution 📓 Please create an account for B2B access (takes 30 seconds)

43X4 by Danfoss | Male Ball Check Connector | 1/8" Male NPTF x 1/4" Male SAE 45° Flare| Steel


Aeroquip® by Danfoss
Male Ball Check Connector
Male NPTF x Male SAE 45° Flare

Ball & Spring position may be reversed to change flow/check direction. Min pressure 3 PSI.

Can I get a discount on my purchase?

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.

If you feel your purchase quantity of a particular product is very large and want us to investigate with the manufacturer please feel free to Contact Us.

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: 43X4 Danfoss
Shape (Orientation): Straight
Ends Configuration: 1/8in Male NPTF X 1/4in Male SAE 45 Flare
Material(s): Steel
  • Danfoss brass tube fittings are precision machined to meet SAE standards and specifications.
  • LP and natural gas, flammable liquids (special order), instrumentation, refrigeration, power steering, hydraulic and pneumatic systems.
  • Low cost and reusability.
  • Long or short nut.
  • Good vibration resistance - use long nut when greater vibration resistance is required.
Used With:
  • Copper, brass, aluminum and steel hydraulic tubing that can be flared.
  • Working pressure up to 2000 psi depending on tube size. Will withstand burst pressure of standard tubing - up to 5000 psi with bundyweld (double flared) and 3500 psi with copper tubing, depending on size.
Temperature Range:
  • -65°F to +250°F (-53°C to +121°C) range at maximum operating pressures.
  • Listed by Underwriter's Laboratories (available on special order) for flammable liquids, refrigeration and gas.
  • Meets specifications and standards of ASA, ASME, SAE and MS (Military Standards).
Tube OD 1/8" 3/16" 1/4" 5/16" 3/8" 7/16" 1/2" 5/8" 3/4"
Thread Size 5/16-24 3/8-24 7/16-20 1/2-20 5/8-18 11/16-18 3/4-16 7/8-14 1-1/16-14
Part Number
Male NPTF Female NPTF Hex
43X4 1/4" 1/8" 7/16" 0.125" 1.06"
43X6 3/8" 1/4" 5/8" 0.219" 1.31"
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.

Shop Parts by Danfoss (Eaton - Aeroquip)

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare