PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-A1257Cable,radio Frequency

Times Microwave Systems, Inc Dba Times Microwave Systems Inc Div Times Microwave Systems · NSN 6145-00-112-1449 · FSC 6145 · No Item Name Available
Verified by PartsTable
NSN 6145-00-112-1449 — this item is cataloged by the U.S. Government under National Stock Number 6145-00-112-1449. Primary manufacturer part number: A-A1257.
Features
  • Cable,radio Frequency — FSC 6145
  • Round Conductor Size: 13 AWG SINGLE CONDUCTOR
  • Material: COPPER CORE CONDUCTOR SINGLE CONDUCTOR
  • Nominal Capacitance in Picofarads: 29.5 PER FOOT
  • Conductor Arrangement and Quantity: 1 TRIAXIAL
  • Strand Awg Size Per Conductor: 21 SINGLE CONDUCTOR
  • Voltage Rating: 4000.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
  • Strand Quantity Per Conductor: 7 SINGLE CONDUCTOR
Applications
  • Electrical power distribution
  • Signal transmission
  • Equipment interconnection
  • Applications requiring Copper Core Conductor Single Conductor construction
General Description

The Cable,radio Frequency, cataloged under National Stock Number 6145-00-112-1449, 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 Times Microwave Systems, Inc Dba Times Microwave Systems Inc Div Times Microwave Systems. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: FT.

Technical Specifications
ParameterValue
NSN6145-00-112-1449
Primary Part NumberA-A1257
Item NameCable,radio Frequency
FSC / FSG6145 / 61 — No Item Name Available
ManufacturerTimes Microwave Systems, Inc Dba Times Microwave Systems Inc Div Times Microwave Systems
StatusACTIVE
Round Conductor Size13 AWG SINGLE CONDUCTOR
MaterialCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
Nominal Capacitance in Picofarads29.5 PER FOOT
Conductor Arrangement and Quantity1 TRIAXIAL
Strand Awg Size Per Conductor21 SINGLE CONDUCTOR
Voltage Rating4000.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
Strand Quantity Per Conductor7 SINGLE CONDUCTOR
MaterialPLASTIC POLYVINYL CHLORIDE (PVC) THIRD POSITION JACKET CABLE
MaterialCOPPER SECOND POSITION SHIELD BRAID METALLIC CABLE
Cross Section Outside Diameter0.490 INCHES NOMINAL IN
Conductor FormSTRANDED SINGLE CONDUCTOR
MaterialPLASTIC POLYVINYL CHLORIDE (PVC) FIFTH POSITION SHIELD BRAID METALLIC CABLE
Cross-Sectional Shape StyleROUND
Conductor Quantity1
MaterialPLASTIC, POLYETHYLENE (PP) FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
ColorBLACK FIFTH POSITION SHIELD BRAID METALLIC CABLE
Electrical Resistance52.0 OHMS IMPEDANCE
MaterialCOPPER FOURTH POSITION SHIELD BRAID METALLIC CABLE
Round Conductor Size13 AWG SINGLE CONDUCTOR
MaterialCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
Nominal Capacitance in Picofarads29.5 PER FOOT
Conductor Arrangement and Quantity1 TRIAXIAL
Strand Awg Size Per Conductor21 SINGLE CONDUCTOR
Voltage Rating4000.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
Strand Quantity Per Conductor7 SINGLE CONDUCTOR
MaterialPLASTIC POLYVINYL CHLORIDE (PVC) THIRD POSITION JACKET CABLE
MaterialCOPPER SECOND POSITION SHIELD BRAID METALLIC CABLE
Cross Section Outside Diameter0.490 INCHES NOMINAL IN
Conductor FormSTRANDED SINGLE CONDUCTOR
MaterialPLASTIC POLYVINYL CHLORIDE (PVC) FIFTH POSITION SHIELD BRAID METALLIC CABLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueFT
SMR CodeJZ
Weight0.1800 lbs
Cube0.0017 cu ft
Verified Substitutes 5
3010-00-053-303521583 INTERCHANGEABLE
Clutch,positive,nonvehicular
Aerocontrolex Group, Inc. Div Talley Actuators
3120-00-541-0126AA-1257 INTERCHANGEABLE
Bearing,sleeve
Beemer Precision Inc
5360-00-814-0807 INTERCHANGEABLE
Spring,flat
2990-00-872-153121583 INTERCHANGEABLE
Muffler,exhaust
Walker Mfg Co
5342-01-167-2192 INTERCHANGEABLE
Hinge
Cross-Reference Index
Part NumberManufacturer
21-583 Essex Group Inc Telecommunication Products Div (USA)
A-A1257 PRIMARY Times Microwave Systems, Inc Dba Times Microwave Systems Inc Div Times Microwave Systems (USA)
Related Parts
3010-00-053-3035INTERCHANGEABLE
CLUTCH,POSITIVE,NONVEHICULAR
21583
3120-00-541-0126INTERCHANGEABLE
BEARING,SLEEVE
AA-1257
5360-00-814-0807INTERCHANGEABLE
SPRING,FLAT
2990-00-872-1531INTERCHANGEABLE
MUFFLER,EXHAUST
21583
5342-01-167-2192INTERCHANGEABLE
HINGE

Frequently Asked Questions

What is NSN 6145-00-112-1449?

NSN 6145-00-112-1449 is a Cable,radio Frequency, manufactured by Times Microwave Systems, Inc Dba Times Microwave Systems Inc Div Times Microwave Systems, classified under FSC 6145 (No Item Name Available). Status: active.

What are the part numbers for NSN 6145-00-112-1449?

NSN 6145-00-112-1449 has 2 cross-referenced part numbers: 21-583 (Essex Group Inc Telecommunication Products Div), A-A1257 (Times Microwave Systems, Inc Dba Times Microwave Systems Inc Div Times Microwave Systems).

What NSN replaces 6145-00-112-1449?

There are 5 known substitutes for 6145-00-112-1449: 3010-00-053-3035, 3120-00-541-0126, 5360-00-814-0807 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-A1257?

Key specifications for A-A1257: Round Conductor Size: 13 AWG SINGLE CONDUCTOR; Material: COPPER CORE CONDUCTOR SINGLE CONDUCTOR; Nominal Capacitance in Picofarads: 29.5 PER FOOT; Conductor Arrangement and Quantity: 1 TRIAXIAL. 30 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com