PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RG-111A/UCable,radio Frequency

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6145-00-643-2173 · FSC 6145 · No Item Name Available
Verified by PartsTable
NSN 6145-00-643-2173 — this item is cataloged by the U.S. Government under National Stock Number 6145-00-643-2173. Primary manufacturer part number: RG-111A/U.
Features
  • Cable,radio Frequency — FSC 6145
  • Cross Section Outside Diameter: 0.490 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: ROUND
  • Strand Awg Size Per Conductor: 26 ALL CONDUCTORS
  • Material: PLASTIC, POLYETHYLENE (PP) FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS
  • Voltage Rating: 750.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE ALL CONDUCTORS
  • Material: ALUMINUM ALLOY SIXTH POSITION ARMOR CABLE
  • Conductor Arrangement and Quantity: 1 TWIN-AXIAL TWISTED
Applications
  • Electrical power distribution
  • Signal transmission
  • Equipment interconnection
  • Applications requiring Plastic, Polyethylene (pp) First Position Primary Insulation All Conductors construction
General Description

The Cable,radio Frequency, cataloged under National Stock Number 6145-00-643-2173, is classified within Federal Supply Class 6145 (No Item Name Available) of the Electric Wire, Power, and Distribution Equipment group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: FT.

Technical Specifications
ParameterValue
NSN6145-00-643-2173
Primary Part NumberRG-111A/U
Item NameCable,radio Frequency
FSC / FSG6145 / 61 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Cross Section Outside Diameter0.490 INCHES NOMINAL IN
Cross-Sectional Shape StyleROUND
Strand Awg Size Per Conductor26 ALL CONDUCTORS
MaterialPLASTIC, POLYETHYLENE (PP) FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS
Voltage Rating750.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE ALL CONDUCTORS
MaterialALUMINUM ALLOY SIXTH POSITION ARMOR CABLE
Conductor Arrangement and Quantity1 TWIN-AXIAL TWISTED
MaterialPLASTIC POLYVINYL CHLORIDE (PVC) FIFTH POSITION JACKET CABLE
MaterialCOPPER CORE CONDUCTOR ALL CONDUCTORS
MaterialPLASTIC, POLYETHYLENE (PP) SECOND POSITION JACKET CABLE
MaterialCOPPER FOURTH POSITION SHIELD BRAID METALLIC CABLE
Surface TreatmentTIN FOURTH POSITION SHIELD BRAID METALLIC CABLE
Conductor FormSTRANDED ALL CONDUCTORS
Nominal Capacitance in Picofarads17.4 PER FOOT
Surface TreatmentTIN THIRD POSITION SHIELD BRAID METALLIC CABLE
Conductor Quantity2
Strand Quantity Per Conductor7 ALL CONDUCTORS
Round Conductor Size18 AWG ALL CONDUCTORS
MaterialCOPPER THIRD POSITION SHIELD BRAID METALLIC CABLE
Electrical Resistance95.0 OHMS IMPEDANCE
Cross Section Outside Diameter0.490 INCHES NOMINAL IN
Cross-Sectional Shape StyleROUND
Strand Awg Size Per Conductor26 ALL CONDUCTORS
MaterialPLASTIC, POLYETHYLENE (PP) FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS
Voltage Rating750.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE ALL CONDUCTORS
MaterialALUMINUM ALLOY SIXTH POSITION ARMOR CABLE
Conductor Arrangement and Quantity1 TWIN-AXIAL TWISTED
MaterialPLASTIC POLYVINYL CHLORIDE (PVC) FIFTH POSITION JACKET CABLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueFT
SMR CodeJN
Weight0.2100 lbs
Cube0.0017 cu ft
Verified Substitutes 1
6145-00-553-7822 INTERCHANGEABLE
Cable,radio Frequency
Cross-Reference Index
Part NumberManufacturer
RG-111A/U Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-17/46 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-17/15 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M17/15-RG111 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-17/15 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6145-00-553-7822INTERCHANGEABLE
CABLE,RADIO FREQUENCY

Frequently Asked Questions

What is NSN 6145-00-643-2173?

NSN 6145-00-643-2173 is a Cable,radio Frequency, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6145 (No Item Name Available). Status: active.

What are the part numbers for NSN 6145-00-643-2173?

NSN 6145-00-643-2173 has 5 cross-referenced part numbers: RG-111A/U (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-C-17/46 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-17/15 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M17/15-RG111 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-C-17/15 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6145-00-643-2173?

There is 1 known substitute for 6145-00-643-2173: 6145-00-553-7822. Verify interchangeability with system specifications before substitution.

What are the specifications of RG-111A/U?

Key specifications for RG-111A/U: Cross Section Outside Diameter: 0.490 INCHES NOMINAL IN; Cross-Sectional Shape Style: ROUND; Strand Awg Size Per Conductor: 26 ALL CONDUCTORS; Special Features: ONE STRAND OF ONE CONDUCTOR SHALL BE TINNED COPPER FOR IDENTIFICATION. 30 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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