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Heyco-Flex™ III Liquid Tight Fittings

90° Sweep, NPT Hubs

For Flexible, Nonmetallic Liquid Tight Tubing

  • Part Numbers and Specifications
  • Features
FITS
TUBING
TRADE
SIZE
PART NO. DESCRIPTION THREAD
SIZE
PART DIMENSIONS CAD
A
Clearance
Hole
B
Max O.A.
Height
C
Max O.A.
Length
D
Thread
Length
E
Flange
Dia.
Black in. mm. in. mm. in. mm. in. mm. in. mm.
3/8 1955 HF3C 3/8-90R 1/2 .875 22,2 1.75 44,5 2.74 69,6 .52 13,2 1.23 31,2
1/2 1956 HF3C 1/2-90R 1/2
3/4 1957 HF3C 3/4-90R 3/4 1.109 28,2 2.10 53,3 3.08 78,2 .52 13,2 1.50 38,1
1 1958 HF3C 1-90R 1 1.375 34,9 2.67 67,8 3.66 93,0 .69 17,5 1.80 45,7

Standard color black.

  • For use with Heyco-Flex III Corrugated Tubing in trade sizes 3/8˝ through 1˝.
  • Nontoxic and UV resistant.
  • Rated for NEMA 4 and 4X applications when used with Heyco-Flex III Tubing.
  • Rated for NEMA Type 3R applications.
  • Easy, permanent assembly between the tubing and fittings: push the tubing over the fitting ferrule until the tubing clicks into place.
  • Lightweight and lower installed cost.
  • Quick and easy installation.
  • Suitable for use in high vibration or flexing applications (automotive equipment, fiber optics, computer & peripherals, lab equipment, robotics, etc.)
  • Resist salt water, weak acids, gasoline, alcohol, oil, grease, and common solvents. This feature is not assessed by UL certification or testing.
  • For use in both wet and dry applications.
  • If using a tapped hole, Teflon® tape is needed on the threads of the connector, for all other applications an O-ring and Locknut are needed to attain liquid tight.
  • Use of an O-ring may be required for a complete liquid tight system with a non-threaded mounting hole.
  • Locknuts included with Straight-Thru fittings.
  • To order locknuts separately see
    Metal locknuts: NPT, PG, and Metric.
    Nylon locknuts: NPT, PG, and Metric.
  • Patented

QuickSpecs

Material   Nylon 6/6
Certifications Certified to both Canadian and U.S. Requirements File E121095
Flammability Rating   94V-2
Temperature Range   -22°F (-30°C) to 221°F (105°C)
IP Rating   IP 64
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