Skip to content
66C-0504 Dixon Brass Compression Fitting - Female Connector - 5/16" Tube Size x 1/4" Pipe Thread

66C-0504 Dixon Valve Brass Compression Fitting - Female Connector - 5/16" Tube Size x 1/4" Pipe Thread

Save $0.35 Save $0.35
$9.14
$9.14 - $9.14
$9.14
$8.79
$8.79 - $8.79
$8.79

Dixon Brass Compression Fittings
Female Connector

Manufactured for low and medium pressure tubing connection work where excessive vibration or tube movement is not involved.

Use with copper, aluminum and thermoplastic tubing.
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: 66C-0504 Dixon
Shape (Orientation): Straight
Ends Configuration: 1/4in Female NPT, 1/4in Tube Compression
Material(s): Brass
Installation:
  • No flaring, soldering or other preparation of tubing necessary to assemble.
  • Slide nut, then sleeve onto tubing. The thread end of the nut must face out.
  • Insert tube into the fitting. Be sure the tube is bottomed on the fitting shoulder.
  • Assemble nut to body, and tighten hand-tight. Then follow the number of appropriate wrench turns for the given size.
Specifications:
  • Underwriter's Laboratories listed for flammable liquid
  • SAE J-512
  • ASA
  • Reference SAE 060103 BA
Notes:
  • Not recommended for steel tubing.
  • Not recommended for applications using gaseous media.
  • Temperature and type of tubing used are important factors in working pressure ranges. Pressure rating given at 73°F (23°C).
  • Temperature ranges are given for use with soft metal tubing.
  • For thermoplastic tubing, see manufacturers recommendation for tubing temperature range.
Fitting Size Tube OD Tube Wall Turns Required to Seal from Hand-Tight PSI @
73°F (23°C)
60C Series with Soft Metal Tubing 60PT Series with Thermoplastic Tubing
2" 1/8" 0.030" 1-1/4 - 400 PSI
3" 3/16" 0.030" 1-1/4 - 400 PSI
4" 1/4" 0.030" 1-1/4 2 300 PSI
5" 5/16" 0.032" 1-1/4 2 300 PSI
6" 3/8" 0.032" 2-1/4 2 200 PSI
8" 1/2" 0.032" 2-1/4 2 200 PSI
10" 5/8" 0.035" 2-1/4 2 150 PSI
12" 3/4" 0.035" 2-1/4 2 100 PSI
14" 7/8 0.035" 2-1/4 - 75 PSI
Part Number Tube Size Pipe Thread Material Weight (Lbs)
66C-0202 1/8" 1/8" Brass 0.0350
66C-0302 3/16" 1/8" Brass 0.0400
66C-0304 3/16" 1/4" Brass 0.0641
66C-0402 1/4" 1/8" Brass 0.0500
66C-0404 1/4" 1/4" Brass 0.0700
66C-0502 5/16" 1/8" Brass 0.0488
66C-0504 5/16" 1/4" Brass 0.0740
66C-0602 3/8" 1/8" Brass 0.0550
66C-0604 3/8" 1/4" Brass 0.0800
66C-0606 3/8" 3/8" Brass 0.0895
66C-0608 3/8" 1/2" Brass 0.1258
66C-0804 1/2" 1/4" Brass 0.1100
66C-0806 1/2" 3/8" Brass 0.1250
66C-0808 1/2" 1/2" Brass 0.1755
66C-1008 5/8" 1/2" Brass 0.2000
Dixon Valve & Coupling

Dixon Valve & Coupling

Dixon, founded in 1916, is a premier manufacturer and supplier of hose couplings, valves, dry disconnects, swivels, and other fluid transfer and control products. Our global reach includes a wide range of products for numerous industries including petroleum exploration, refining, transportation, chemical processing, food and beverage, steel, fire protection, construction, mining, and manufacturing.

Shop Parts by Dixon Valve & Coupling