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SPECIFICATIONS

Applications: LP and Natural Gas, Flammable Liquids, Instrumentation, Refrigeration, Power Steering, Hydraulic and Pneumatic Systems. Used With: Copper, Brass, Aluminum and Steel hydraulic tubing that can be flared.
SAE Rating: SAE# 010166 Conformance: Meets specifications and standards of ASA, ASME, SAE and MS (Military standards).
Vibration: Good resistance – use long nut when greater vibration resistance is required. Temperature Range: -65F to +250F (-53C to +121C) range at maximum operating pressures
Tolerance: +/- .03 on all dimensions. Dimension data can change without notice. Please call us when dimensions are critical. Lead Free: Not Lead Free
Working Pressure Ranges:
  • Temperature and type of tubing used are important factors. However, the following table is a good guide for proper selection. Temperature 730F with copper tubing:
Assembly Instructions:
  • 1) Cut tubing to desired length. Make sure all burrs are removed and ends are cut square.
  • 2) Slide nut on tube. Threaded end “A” of nut must face out.
  • 3) Flare end of tube with a 450 flaring tool.
    • A) Measure flare diameter
    • B) Examine flare for excessive thin out.
  • 4) Lubricate threads and assemble to fitting body. Nut should be turned hand tight.
  • 5) Tighten assembly with wrench until a solid feeling is encountered. From that point, apply a one-sixth turn.
  • Note: Do not over-torque as it may damage the fitting or split the tubing at the flare.
Tube OD 1/8″ 3/16″ 1/4″ 5/16″ 3/8″ 7/16″ 1/2″ 5/8″ 3/4″
Thread Size B 5/16-24 3/8-24 7/16-20 1/2-20 5/8-18 11/16-16 3/4-16 7/8-14 1-1/16-14
Crossover Series:
641S 6401S 14FS 41FFS 40 641-S 1116 NS4
Part Number Thread Size UNF A Hex Approx. Weight
(Lbs.)
10038
(10-038)
3/16″ 0.56″ 0.50″ 0.02
10039
(10-039)
1/4″ 0.60″ 0.62″ 0.04
10040
(10-040)
5/16″ 0.66″ 0.69″ 0.04
10041
(10-041)
3/8″ 0.70″ 0.81″ 0.06
10042
(10-042)
1/2″ 0.82″ 0.94″ 0.08
10043
(10-043)
5/8″ 0.95″ 1.06″ 0.12
10044
(10-044)
3/4″ 1.16″ 1.31″ 0.22
10045
(10-045)
7/8″ 1.18″ 1.38″ 0.30

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