These high reliability (HI-REL) assemblies, which are intermateable with various LGH™ interfaces, are rated from 10 to 25 kVDC and will operate at

altitudes up to 70,000 ft over a temperature range of -55°C to 125°C. In comparison to the C Series, this series has improved temperature range exposure

at altitude operation due to incorporation of annular sealing rings on the plug insulator.

HI-REL plugs are offered in kit form when customers ﬁnd it necessary to fabricate cable assemblies themselves. Customers should use the Teledyne

Reynolds’ recommended silicone rubber or silicone coated FEP wire part number that is listed for each plug kit. Fluorosilicone rubber insulators are

available for applications where Coolanol

or other ﬂuids that cause silicone rubber to swell may exist.

Plastic bodies are used in the HI-REL plug design to captivate the coupling nut and prevent tearing of silicone insulators from overtorque during mating.

This family of connectors have been widely used for more than 25 years in Military/Aerospace applications. Typical applications are:

• Electronic Countermeasure Systems (ECM) • TWT connections • Lasers • Airborne high voltage power supplies

PLUG KITS

730 Series

10 kVDC

LGH 1/2I

737 Series

15 kVDC

LGH 1/2LI

727 Series

25 kVDC

LGH 1LI

720 Series

20 kVDC

LGH LI

P/N

INSULATOR

MATERIAL

WIRE DIA.

(in./mm)

WIRE TYPE WIRE P/N

167-9151 Silicone Ø.080 / 2.03 FEP 167-9543

167-9274 Fluorosilicone • • •

167-9219 Silicone Ø.150 / 3.81 Silicone 167-9193

P/N

INSULATOR

MATERIAL

WIRE DIA.

(in./mm)

WIRE TYPE WIRE P/N

167-8816 Silicone Ø.080 / 2.03 FEP 167-9543

167-9391 • Ø.150 / 3.81 Silicone 167-9193

P/N

INSULATOR

MATERIAL

WIRE DIA.

(in./mm)

WIRE TYPE WIRE P/N

167-9449 Silicone Ø.180 / 4.57 FEP 167-9611

167-9330 • Ø.280 / 7.11 Silicone 167-9180

P/N

INSULATOR

MATERIAL

WIRE DIA.

(in./mm)

WIRE TYPE WIRE P/N

178-6152 Fluorosilicone Ø.100 / 2.54 FEP 167-7628

167-6412 Silicone Ø.110 / 2.79 Silicone Coated FEP 178-8781

167-9296 • Ø.150 / 3.81 FEP 167-9610

167-9163 • Ø.180 / 4.57 Silicone 167-9169

167-9149 • Ø.280 / 7.11 • 167-9180

• Plastic Coupling Nut

1.80”

45.7

.750”

19.0

.301”

7.65

2.63”

67.0

.765”

19.4

.301”

7.65

1.03”

26.1

.445”

11.3

.185”

4.70

830 Series

10 kVDC

LGH 1/2I

P/N

INSULATOR

MATERIAL

WIRE DIA.

(in./mm)

WIRE TYPE WIRE P/N

167-8810 Silicone Ø.080 / 2.03 FEP 167-9543

167-8782 Fluorosilicone • • •

167-8811 Silicone Ø.150 / 3.81 Silicone 167-9193

• Metal Coupling Nut

HEX

1.05”

26.7

.437”

11.0

.185”

4.70

.185”

4.70

1.41”

35.8

.460”

11.6

730/830 SERIES

10 kVDC

737 SERIES

15 kVDC

70,000 FT

-55º TO 125ºC

720 SERIES

20 kVDC

727 SERIES

25 kVDC

(Dimensions shown as in/mm)

(• = Same value as above)

**Cable Assembly Ordering Information: All cable assembly cable lengths are to be speciﬁed in inches only. For example, to order part number 178-6027 with a cable length of 10 feet 8 inches

the cable assembly part number would be speciﬁed as 178-6027-128N.

• Note: Product numbers and specs subject to change without notice. • Products listed represent only a small selection of Teledyne Reynolds’ products please visit www.teledynereynolds.com

for the most up to date product information. • Contact Teledyne Reynolds’ Engineering to discuss custom designs. • LGH is a trademark of Tyco Amp, Inc. and Coolanol is a registered trademark

of Exxon Mobil Corporation. WARNING: Connectors should NEVER be handled mated or unmated when voltage is applied.

Rev. 01-042113

B C

Max Panel

Thickness

Max Panel

Thickness

730/830 • 10 kVDC

LGH 1/2I

167-9158 - Silicone Seals

167-9275 - Fluorosilicone Seals

Max. Leak Rate: 1x10

-6

cc/s He

@1ATM differential pressure

• Panel Mounting Torque: 5 to 6 in-lbs

720 • 20 kVDC

LGH LI

167-9157 - Silicone Seals

167-9263 - Fluorosilicone Seals

• Sealed for 1 ATM differential pressure

• Max. Leak Rate: 1x10

-6

cc/s He @1 ATM differential pressure

• Panel Mounting Torque: 23 to 28 in-lbs

• Mounting: See optional “D” hole

737 • 15 kVDC

LGH 1/2 LI

167-8721

• Sealed for 1 ATM differential pressure

• Max. Leak Rate: 1x10

-6

cc/s He

@1ATM differential pressure

• Panel Mounting Torque: 5 to 6 in-lbs

• Mounting: See optional “D” hole

720 • 20 kVDC

LGH LI

167-8603 - Silicone Seal

• Sealed for 1 ATM differential pressure

• Max. Leak Rate: 1x10

-6

cc/s He

@1ATM differential pressure

• Mounting: See optional “D” hole

727 • 25 kVDC

LGH 1LI

167-9336 - Silicone Seal

167-9337 - Fluorosilicone Seal

• Sealed for 1 ATM differential pressure

• Max. Leak Rate: 1x10

-6

cc/s He

@1ATM differential pressure

• Mounting: See optional “D” hole

730/830 • 10 kVDC

LGH 1/2I

167-8626

720 • 20 kVDC

LGH LI

167-9803

• Sealed for 1 ATM differential pressure

• Max. Leak Rate: 1x10

-8

cc/s He

@1 ATM differential pressure

• Flange material: Iron nickel alloy with nickel plating

• Mounting: Solder ﬂange

730/830 • 10 kVDC

LGH 1/2I

167-9228 - Silicone Seals

167-9294 - Fluorosilicone Seals

• Panel Mounting Torque: 5 to 6 in-lbs

720 • 20 kVDC

LGH LI

167-9227 - Silicone Seals

167-9293 - Fluorosilicone Seals

• Sealed for 1 ATM differential pressure

• Max. Leak Rate: 1x10

-6

cc/s He

@1 ATM differential pressure

• Panel Mounting Torque: 23 to 28 in-lbs

• Mounting: See optional “D” hole

“O” Ring

.355”

9.02

.385”

9.80

Optional Mounting Hole

.480”

12.1

.508”

12.9

.480”

12.1

.508”

12.9

Optional Mounting Hole

SERIES THREAD “A” “B” “C”

730/830 312”-32 UNEF-2A .655 / 16.6 Ø.310 / 7.87 Ø.500 / 12.7

720 .500”-20 UNF-1A 1.03 / 26.0 Ø.498 / 12.7 Ø.812 / 20.6

SERIES “A” “B” “C” “D”

MAX PANEL

THICKNESS

730/830 .846 / 21.5 .475 / 12.1 .490 / 12.5 .625 / 15.9 .188 / 4.78

720 1.36 / 34.5 .630 / 17.4 .635 / 16.1 .960 / 24.4 .250 / 6.35

SERIES “A” “B” “C”

MAX PANEL

THICKNESS

730/830 .625 / 15.9 .850 / 21.6 .375 / 9.53 .188 / 4.78

720 .960 / 24.4 1.195 / 30.4 .575 / 14.6 .250 / 6.35

SERIES “E” “F”

730/830 .295 / 7.49 .323 / 8.20

720 .480 / 12.2 .508 / 12.9

SERIES “D” “E”

730/830 .295 / 7.49 .323 / 8.20

720 .480 / 12.2 .508 / 12.9

Sealed, Front Mount

Right Angle, Sealed, Front Mount

Optional Mounting Hole

Ceramic-to-Metal, Brazed Hermetic

Sealed, Front or Rear Mount

In-Line, Non-Sealed

Sealed, Front Mount

Solder Flange

Thread

1.24”

31.4

.690”

17.5

“O” Ring

1.36”

34.5

1.02”

25.9

.500”-20 THD Flat

.540”

13.7

RECEPTACLES

730/830 SERIES

10 kVDC

737 SERIES

15 kVDC

70,000 FT

-55º TO 125ºC

720 SERIES

20 kVDC

727 SERIES

25 kVDC

Max Panel

Thickness

1.83”

46.4

.800”

20.5

“O” Ring

Over

Nut

Flats

.821”

20.8

.500”

12.7

(Dimensions shown as in/mm)

Rev. 01-042113