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3-1/8" Non-Flanged Coax Components

  • All 3-1/8" components meet EIA standards.
  • All insulators are made from virgin PTFE.
  • See the related technical bulletin for complete transmission line specifications.

Performance:

Dimensions:

Impedance: 50 ohms Outer Conductor Outside diameter: 3.125" (7.9 cm)
Maximum Frequency: 1700 MHz Inside diameter: 3.027" (7.7 cm)
Velocity Percent: 99.8% Inner Conductor Outside diameter: 1.315" (3.3 cm)
Peak Power Rating: 450 kW Inside diameter: 1.231" (3.1 cm)
Average Power Rating: See technical bulletin.
Attenuation: See technical bulletin.

Transmission Line

Each transmission line section comes without hardware or connectors. Insulators are placed approximately 48 " apart to prevent the inner conductor from sagging.

318NF-102

  • 20 ft (240" or 6.10 m) long.
  • Non-flanged both ends.
  • Approximate weight: 50 lb (22.7 kg)
  • Approximate shipping weight: 80 lb (36.4 kg)

Click picture for dimensions.

318NF-101

  • 10 ft (120" or 3.05 m) long.
  • Non-flanged both ends.
  • Approximate weight: 25 lb (11.4 kg)
  • Approximate shipping weight: 40 lb (18.2 kg)

318NF-12-xx.xxx

  • xx.xxx inches cut length.
  • Non-flanged both ends.
  • Approximate weight: 2-1/2 lb/ft (3.7 kg/m)
  • Approximate shipping weight: 4-3/4 lb/ft (7.1 kg/m)

Elbows

Each elbow comes with three insulators to support the inner conductor.

318NF-301

  • 90° standard unequal legs.
  • Standard cutback
  • Approximate weight: 3-1/2 lb (1.59 kg)
  • Approximate shipping weight: 4-1/2 lb (2.04 kg)

Click picture for dimensions.

318NF-302

  • 90° equal legs.
  • Standard cutback
  • Approximate weight: 2-1/2 lb (1.13 kg)
  • Approximate shipping weight: 3-1/2 lb (1.58 kg)

Click picture for dimensions.

318NF-4

  • 45° unequal legs.
  • Approximate weight: 3 lb (1.36 kg)
  • Approximate shipping weight: 3-1/2 lb (1.6 kg)
Picture not yet available.

Non-Flanged Adapter/Reducers

Use with non-flanged line only. Each comes with insulator and inner conductors. Connectors are silver-plated. Non-pressurizable; indoor use only.

318NF-60

  • 3-1/8" to Type "N" Female.
  • One clamp only.
  • Connector silver-plated.
  • Cannot be pressurized.
  • VSWR vs. frequency graph
  • Approximate weight: 1-1/2 lb (0.7 kg)
  • Approximate shipping weight: 2 lb (0.9 kg)

Click picture for dimensions.

318NF-61

  • 3-1/8" to 7/8"
  • Cannot be pressurized.

Picture not yet available.

318NF-62

  • 3-1/8" to 1-5/8"
  • Connectors silver-plated.
  • Cannot be pressurized.
  • Approximate weight: 9 lb (4.1 kg)
  • Approximate shipping weight: 9-1/2 lb (4.3 kg)

Click picture for dimensions.

Non-Flanged Line Connectors

Use with 3-1/8" EIA non-flanged line. Connectors are silver-plated. Non-pressurizable; indoor use only.

Inner Conductor Connector
318NF-5

  • Inner conductor only.
  • Connector silver-plated.
  • Not supported.
  • Approximate weight: 1/4 lb (0.1 kg)
  • Approximate shipping weight: 3/4 lb (0.34 kg)

Click picture for dimensions.

Slip Coupling
318NF-520

  • "Slip Coupling" outer conductor only.
  • Cannot be pressurized.
  • Approximate weight: 1/2 lb (0.23 kg)
  • Approximate shipping weight: 1 lb (0.45 kg)

Click picture for dimensions.

Connector Assembly
318NF-570

  • Inner and outer conductors.
  • Industry standard.
  • Connector silver-plated.
  • Cannot be pressurized.
  • Approximate weight: 2 lb (0.91 kg)
  • Approximate shipping weight: 2.5 lb (1.13 kg)

Click picture for dimensions.

Connector Assembly
318NF-27S

  • Inner and outer conductors.
  • Shively-style.
  • Connector silver-plated.
  • Cannot be pressurized.
  • Approximate weight: 2 lb (0.9 kg)
  • Approximate shipping weight: 2-1/2 lb (1.1 kg)

Click picture for dimensions.

Conversion "Field" Flanges and Anchor Connector

To convert from flanged line to non-flanged line. Each flange comes with one flange hardware kit (318F-14) and one O-ring (318F-13S).

318F-903

  • Swivel flange
  • Standard cutback
  • Soft-solder type
  • Can be pressurized
  • Approximate weight: 2 lb (0.91 kg)
  • Approximate shipping weight: 2.5 lb (1.13 kg)

Click picture for dimensions.

Swivel Flange
318F-9FS

  • Soft-solder type.
  • Shively cutback
  • Can be pressurized.
  • Approximate weight: 3 lb (1.36 kg)
  • Approximate shipping weight: 3-1/2 lb (1.6 kg)

Click picture for dimensions.

318F-902

  • Fixed flange
  • Standard cutback
  • Soft-solder type
  • Can be pressurized
  • Approximate weight: 2 lb (0.91 kg)
  • Approximate shipping weight: 2.5 lb (1.13 kg)

Click picture for dimensions.

Fixed Flange
318F-9FF

  • Soft-solder type.
  • Shively cutback
  • Can be pressurized.
  • Approximate weight: 3 lb (1.4 kg)
  • Approximate shipping weight: 3-1/2 lb (1.6 kg)

Click picture for dimensions.

Clamp-Type
318F-901

  • Fixed flange
  • Standard cutback
  • Clamp-type
  • Non-pressurized (indoor use only)
  • Approximate weight: 3 lb (1.4 kg)
  • Approximate shipping weight: 3-1/2 lb (1.6 kg)

Click picture for dimensions.

Clamp-Type
318F-9C

  • Fixed flange
  • Shively cutback
  • Clamp-type
  • Non-pressurized (indoor use only)
  • Approximate weight: 3 lb (1.4 kg)
  • Approximate shipping weight: 3-1/2 lb (1.6 kg)

Click picture for dimensions.

Anchor Connector
318F-501

  • Inner conductor connector for 3-1/8" flanged connection.
  • Connectors are silver-plated.
  • Approximate weight: 1 lb (0.45 kg)
  • Approximate shipping weight: 1-1/2 lb (0.7 kg)

Click picture for dimensions.

Cutoff Guides

Use with 3-1/8" EIA non-flanged line.

318-CG-I

  • Cutoff guide for inner conductor.
  • Approx. weight: 2 lb (0.9 kg)
  • Approx. shipping weight: 2-1/2 lb (1.1 kg)

Click picture for dimensions.

318-CG-O

  • Cutoff guide for outer conductor.
  • Approx. weight: 2-1/2 lb (1.1 kg)
  • Approx. shipping weight: 3 lb (1.4 kg)

Click picture for dimensions.

Spare Parts

318F-17

  • Hose clamp.
  • Fits 3-1/8" transmission line.
  • Included with components.

Patch Panels

Note that interlock micro switches, P/N 82INT, are sold separately. See below.

318NF-28

  • 3-Port, 1 U-bend.

Click picture for dimensions.

318NF-71

  • 4-Port, 2 U-bends.

Click picture for dimensions.

318NF-72

  • 5-Port, 2 U-bends.

Click picture for dimensions.

318NF-29

  • 7-Port, 3 U-bends.

Click picture for dimensions.

82INT
Patch Panel Interlock Micro-Switch

  • Double-pole double-throw.

Last updated: 05/02/08
Webmaster: Al Friend
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