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Brass Compression Fitting For Plastic, Copper, & Aluminum Tubing, 0.50 Inch Tube OD Union

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Description & Features

The Weatherhead Brass Compression Fitting is designed to fit plastic, copper, and aluminum tubing with a 0.50 inch tube OD. Manufactured by Danfoss Power Solutions (Aeroquip Inc-Alternate), it is a reliable choice for instrumentation, hydraulic, and pneumatic applications.

Constructed from CA360 brass, the fitting offers a working pressure range up to 2000 psi with a 4:1 safety factor, depending on tube size. It withstands temperatures from -65deg;F to +250deg;F when used with metal tubing and varies with plastic tubing. It meets ASA, ASME, and SAE standards and is listed by Underwriter's Laboratories for flammable liquids.

This low-cost fitting is easy to assemble without flaring and comes with a broad selection of styles and sizes. For enhanced vibration resistance, opt for the long nut variant. It is compatible with aluminum and copper tubing, and plastic tubing when using the 2030 insert (except Eaton PT230).

Assembly involves cutting the tube, sliding the nut and sleeve on the tube, and tightening the nut to the fitting body. Hand tighten first, then use a wrench to achieve the specified number of turns based on tube size.

Conformance: Meets ASA, ASME, SAE standards.

Pressure Range: Up to 2000 psi (4:1 safety factor).

Supplier Part Number: 62X8

Specifications

Brand
Danfoss Power Solutions (II LLC Aeroquip)
Brand
Aeroquip
Pack Size
1.00
UOM
EA
L
1.10
Supplier Part Number
62X8
Tube O.D.
0.50
Tube O.D.
0.5
Alternate Part Numbers
Alternate Part Number C1HQ87, Alternate Part Number MI-00333967, Alternate Part Number MINO-00925F73332
Product Weight
0.15 lbs

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Product Questions & Answers (5)

Question by: Glen M on Jul 23, 2025, 9:17 AM
trying to hook up 1/2 inch tubing, is this the right union for plastic or copper?
Answer by: Customer Support on Jul 24, 2025, 8:59 PM
For a straight union on 0.50 inch tube OD, this fitting is made to work with aluminum, copper, and plastic tubing. It is not recommended for steel tubing.
Question by: Dustin C on Aug 10, 2025, 6:43 PM
got some half-inch aluminum tubing I need to union up, will this fitting work for that or do I need something different?
Answer by: Customer Support on Aug 12, 2025, 6:52 AM
Aluminum tubing is one of the materials this fitting is built around, along with copper and certain plastics. At 0.50 inch tube OD, the sizing lines right up. No flaring required either, which saves a good bit of time on the bench. Just make sure the tubing is fully seated against the fitting shoulder before you run the nut down, and follow the turn count for 3/8 through 1 inch sizes, which is 2-1/4 turns past hand tight. You'll be in good shape.
Question by: Lee P on May 15, 2025, 5:49 PM
Does this fitting work with plastic tubing, or do I need a separate insert for that?
Answer by: Customer Support on May 17, 2025, 11:07 AM
For plastic tubing, you'll need to use it alongside the 2030 insert. Without that insert, the fitting is rated for aluminum and copper tubing only. One exception worth noting is that it does not work with Eaton PT230 plastic tubing even with the insert. For metal tubing, no insert is required and the assembly process is straightforward: cut the tube clean, slide the nut and sleeve on, then thread and tighten the nut to the fitting body by hand first before finishing with a wrench.
Question by: Roy F on May 31, 2025, 1:28 PM
got some 1/2 inch OD aluminum tube i need to tie together, is this the right union for that?
Answer by: Customer Support on Jun 2, 2025, 6:46 AM
For connecting two runs of 0.50 inch tube OD, this union is made to work with aluminum tubing (and copper or plastic too). It is a brass compression style, so it seals by tightening the nut and sleeve onto the tube, no flaring needed.
Question by: Keith M on Oct 22, 2025, 10:01 AM
Will this fitting work with copper tubing in a hydraulic system?
Answer by: Customer Support on Oct 23, 2025, 12:42 PM
This brass compression fitting is designed to work with copper tubing, as well as aluminum and plastic. Just make sure your tubing has a 0.50 inch outer diameter.