PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M17/31-RG79Cable,radio Frequency

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6145-00-171-3057 · FSC 6145 · No Item Name Available
Verified by PartsTable
NSN 6145-00-171-3057 — this item is cataloged by the U.S. Government under National Stock Number 6145-00-171-3057. Primary manufacturer part number: M17/31-RG79.
Features
  • Cable,radio Frequency — FSC 6145
  • Electrical Resistance: 125.0 OHMS IMPEDANCE
  • Cross-Sectional Shape Style: ROUND
  • Nominal Capacitance in Picofarads: 11.0 PER FOOT
  • Conductor Form: SOLID SINGLE CONDUCTOR
  • Cross Section Outside Diameter: 0.475 INCHES NOMINAL IN
  • Voltage Rating: 750.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
  • Conductor Quantity: 1
Applications
  • Electrical power distribution
  • Signal transmission
  • Equipment interconnection
General Description

The Cable,radio Frequency, cataloged under National Stock Number 6145-00-171-3057, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: FT.

Technical Specifications
ParameterValue
NSN6145-00-171-3057
Primary Part NumberM17/31-RG79
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
Electrical Resistance125.0 OHMS IMPEDANCE
Cross-Sectional Shape StyleROUND
Nominal Capacitance in Picofarads11.0 PER FOOT
Conductor FormSOLID SINGLE CONDUCTOR
Cross Section Outside Diameter0.475 INCHES NOMINAL IN
Voltage Rating750.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
Conductor Quantity1
Conductor Arrangement and Quantity1 COAXIAL
Electrical Resistance125.0 OHMS IMPEDANCE
Cross-Sectional Shape StyleROUND
Nominal Capacitance in Picofarads11.0 PER FOOT
Conductor FormSOLID SINGLE CONDUCTOR
Cross Section Outside Diameter0.475 INCHES NOMINAL IN
Voltage Rating750.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
Conductor Quantity1
Conductor Arrangement and Quantity1 COAXIAL
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6145-00-050-6723
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueFT
SMR CodeJN
Weight0.1000 lbs
Cube0.0017 cu ft
Verified Substitutes 12
Cable,radio Frequency
Cable,radio Frequency
Cable,radio Frequency
Cable,radio Frequency
Cable,radio Frequency
Cable,radio Frequency
Cable,radio Frequency
Cable,radio Frequency
Cable,radio Frequency
6145-00-299-7752RG8U SUCCESSOR
Cable,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
M17/31-RG79 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-17/31 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M17/218-00002 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
RG79BU Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-17/218 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-17 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-17/218 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
SUCCESSOR 6145-00-050-6723 Cable,radio Frequency
6145-01-287-9251SUCCESSOR
CABLE,RADIO FREQUENCY
6145-00-078-6182SUCCESSOR
CABLE,RADIO FREQUENCY
6145-00-161-0884SUCCESSOR
CABLE,RADIO FREQUENCY
6145-00-161-0899SUCCESSOR
CABLE,RADIO FREQUENCY
6145-00-170-7837SUCCESSOR
CABLE,RADIO FREQUENCY
6145-00-225-8709SUCCESSOR
CABLE,RADIO FREQUENCY
6145-00-243-0483SUCCESSOR
CABLE,RADIO FREQUENCY
6145-00-284-0276SUCCESSOR
CABLE,RADIO FREQUENCY
6145-00-299-7752SUCCESSOR
CABLE,RADIO FREQUENCY
RG8U
6145-00-493-4089SUCCESSOR
CABLE,RADIO FREQUENCY
6145-00-500-1016SUCCESSOR
CABLE,RADIO FREQUENCY

Frequently Asked Questions

What is NSN 6145-00-171-3057?

NSN 6145-00-171-3057 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 6145-00-171-3057?

NSN 6145-00-171-3057 has 7 cross-referenced part numbers: M17/31-RG79 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-C-17/31 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M17/218-00002 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), RG79BU (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-17/218 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 2 more.

What NSN replaces 6145-00-171-3057?

There are 12 known substitutes for 6145-00-171-3057: 6145-01-287-9251, 6145-00-050-6723, 6145-00-078-6182 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M17/31-RG79?

Key specifications for M17/31-RG79: Electrical Resistance: 125.0 OHMS IMPEDANCE; Cross-Sectional Shape Style: ROUND; Nominal Capacitance in Picofarads: 11.0 PER FOOT; Conductor Form: SOLID SINGLE CONDUCTOR. 16 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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