“Stay Connected” with

Liquid Tight Conduit, Tubing & Fittings

®

Quick

Specs

2-2

1-800-526-4182 • 732-286-1800 (NJ) • FAX: 732-244-8843 • www.heyco.com

D

C

B

A

SUGGESTED CLEARANCE HOLE

FOR NON-THREADED MOUNTING

OPTIONAL SEALING WASHER

E

LOCKNUT

• For use with Heyco-Flex III Corrugated

Tubing in trade sizes 3/8˝ through 1˝.

See page 2-1.

• 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

and 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.

See page 2-20.

• Locknuts included with Straight-Thru

fittings.

• To order metal or nylon locknuts

separately, see pages 2-17 & 2-18.

• Patented.

Heyco-Flex™ III Liquid Tight Fittings

For Flexible, Nonmetallic Liquid Tight Tubing

Straight-Thru, Snap -in and NPT Hubs

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

*Part is not liquid tight or UL Recognized. “Thread Length” indicates length below flange.

A

D

B

C

E

SUGGESTED CLEARANCE HOLE

FOR NON-THREADED MOUNTING

FITS

PART NO.

DESCRIPTION THREAD

PART DIMENSIONS

TUBING

SIZE

AB

C

D

E

TRADE

Black

Clearance

Max O.A.

Max O.A.

Thread

Flange

SIZE

Hole

Height

Length

Length

Dia.

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.

90° Sweep, NPT Hubs

FITS

PART NO.

DESCRIPTION THREAD

PART DIMENSIONS

TUBING

SIZE

AB

C

D

E

TRADE

Black

Clearance

Max O.A.

Thread

Wrenching

SIZE

Hole

Length

Length

Nut Thk.

Flat Size

in.

mm.

in.

mm.

in.

mm.

in.

mm.

in.

mm.

Snap-in Hub*

1/2

1952

HF3C 1/2-S

N/A

.875

22,2

1.38

35,1

.39

9,9

.09

2,3

.97

24,6

NPT Hubs

3/8

9146

HF3C 3/8

1/2

.875

22,2

1.72

43,7

.63

16,0

.20

5,1

1.16

29,5

1/2

9147

HF3C 1/2

1/2

3/4

9148

HF3C 3/4

3/4

1.109

28,2

1.84

46,7

.63

16,0

.20

5,1

1.36

34,5

1

9149

HF3C 1

1

1.375

34,9

1.99

50,6

.78

19,8

.20

5,1

1.62

41,1