SKU: 89466237962

503FP 3/8 x 3/8 x 3/8 x 3/4 Flared Cross Fitting

Sale price$15.71 Regular price$17.46
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Description

503FP 3/8 x 3/8 x 3/8 x 3/4 Flared Cross FittingThe 503FP 3 8 x 3 8 x 3 8 x 3 4 Flared Cross Fitting is a four way connector designed to join four SAE 45 flare connections in fluid, gas, and hydraulic systems. It ensures secure, leak free performance in high pressure applications such as HVAC, refrigeration, fuel, and pneumatic systems. Specification Details TYPE Flared Cross Fitting DESIGN Leak proof 45 Flare seal for secure performance MATERIAL Brass for long lasting durability for various

The 503FP 3/8 x 3/8 x 3/8 x 3/4 Flared Cross Fitting is a four-way connector designed to join four SAE 45° flare connections in fluid, gas, and hydraulic systems. It ensures secure, leak-free performance in high-pressure applications such as HVAC, refrigeration, fuel, and pneumatic systems.

Specification Details
TYPE Flared Cross Fitting
DESIGN Leak-proof 45° Flare seal for secure performance
MATERIAL Brass for long lasting durability for various purposes, corrosion-resistance
WEIGHT (LBS)
CONNECTION SIZE 1  3/8"
CONNECTION SIZE 2 3/8"
CONNECTION SIZE 3 3/8"
CONNECTION SIZE 4 3/4"
CONNECTION TYPE MFLRD|MFLRD|MFLRD|FPT
CONNECTION TYPE 1 Male Flared
CONNECTION TYPE 2 Male Flared
CONNECTION TYPE 3 Male Flared
CONNECTION TYPE 4 Female NPT
FITTING TYPE Cross
FOR USE WITH Aluminum, Brass, Copper, Steel Hydraulic Tubing That Can Be Flared
TEMPERATURE RATING -65 to 250 deg F
THREAD SIZE 1 5/8 - 18
THREAD SIZE 2 5/8 - 18
THREAD SIZE 3 5/8 - 18
THREAD SIZE 4 3/4 - 14
STANDARD APPROVALS ASA|ASME|MS (Military Standards)|SAE
APPLICATIONS Ideal for LP and natural gas, flammable liquids, instrumentation, refrigeration, power steering, hydraulic and pneumatic systems
BRAND Midland Industries

 

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Exchange/Return Notes
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SKU: 89466237962

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The Millers
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★★★★★ 5
Soft and warm!
Color: Grey & Blue, Size: Large
These are so comfy and colors are awesome. I don’t dry in the dryer! Keep my feet warm all day long. Perfect stretch and softness.
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Reviewed in the United States on February 13, 2026
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erira
Lowell, US
★★★★★ 5
Great socks!
Color: Blue & Green, Size: Medium
Super comfy, and fits as described. Loved the colors, and they keep my feet dry + warm!
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Reviewed in the United States on December 8, 2025
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Ms. Priss
Cuba, US
★★★★★ 5
Well worth it
Color: Black & Grey, Size: Large
Great fit and not too hot. I really like these socks. They are comfortable, keep my feet warm without overheating them and the material is holding up well. The colors are true and they are not too thick that my shoes fit tight.
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Reviewed in the United States on December 3, 2025
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Amy in Cincinnati
Omaha, US
★★★★★ 4
Comfy but not no-show
Color: Black & Grey, Size: Medium
They feel good and are comfortable and warm, but they are not “no-show” as described.
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Reviewed in the United States on December 25, 2025
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Misha
Belleville, US
★★★★★ 3
Socks
Color: Blue & Green, Size: Medium
They are about what I expected for the price. Nice and warm, but they pill a lot and sit higher on my ankle than I'd like. Very cozy and comfy though. Great around the house, not really great for hiking though. Kinda thin after a few uses outdoors. Washable but not very durable.
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Reviewed in the United States on November 21, 2025

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