Ningbo Sabe Machinery Manufacturing
DOT Air Brake Fittings For Nylon Tubing, Parker –NTA

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DOT Air Brake Compression Fittings For Nylon Tubing

Conformance - Meets specifications and standards of SAE J246, SAE J1131 and DOT FMVSS 571.106.


Air brake systems or in cab air controls, Use with SAE J844 Type A and B nylon tubing, except where temperatures exceed +200°F(+93°C) or where battery acid can drip on tubing.


  1. Construction - Three piece unit: body, nut and sleeve. Extruded(CA360) and Forged(CA377) Configuration.
  2. Vibration resistance - Fair resistance.
  3. Advantages - Easy to assemble (no tube preparation or flaring required.) Built in tube support and ribbed sleeve for compression and positive grip. May be used with copper tubing by using long nut and spherical sleeve(DOT Air Brake Fittings For Copper Tubing). Insert should be removed for copper tubing use.


  1. Temperature Range: Fittings will withstand variations from -40°F to +200°F (-40°C to +93°C)
  2. Working Pressure: Maximum operating pressure of 150 psi.

Assembly Instructions

DOT Air Brake Fitting(Nylon Tubing)

  1. Cut tubing to desired lengths quarely, maximum of 15° angle allowable. Check that port or mating part is clean and free of debris.
  2. Slide nut and then sleeve on tubing. Threaded end of nut "A" must face toward connector body.
  3. Insert tubing into the preassembled fitting. Make sure tubing is bottomed in connector.
  4. Tighten nut with wrench until one thread remains visible on the fitting body, this will allow for a number of remakes; or, the nut should be screwed down finger tight, then the wrench-tightened as indicated in the following table.
Tube Size (O.D) 1/4" 3/8" 1/2" 5/8" 3/4"
Thread Size 7/16-24 17/32-24 11/16-20 13/16-18 1-18
Additional Turns From Hand Tight 3 4 4 3-1/2 3-1/2
  • 1460 Sleeve
  • 1461 Nut
  • 1484 Brass Insert
    Brass Insert
  • 1484SS Stainless Steel Insert
    Stainless Steel Insert
  • 1468 Male Pipe Adapter
    Male Pipe Adapter
  • 1466 Female Pipe Adapter
    Female Pipe Adapter
  • 1462 Union
  • 1474 Bulkhead Union
    Bulkhead Union
  • 1469 Male Elbow
    Male Elbow
  • 1479 Male Elbow Connector
    Male Elbow Connector
  • 1470 Female Elbow Connector
    Female Elbow Connector
  • 1465 Union Elbow
    Union Elbow
  • 1471 Male Run Tee
    Male Run Tee
  • 1472 Male Branch Tee
    Male Branch Tee
  • 1464 Union Tee
    Union Tee