PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

52666Cable Assembly,radio Frequency

Semflex, Inc. · NSN 5995-01-259-9026 · FSC 5995 · No Item Name Available
Verified by PartsTable
NSN 5995-01-259-9026 — this item is cataloged by the U.S. Government under National Stock Number 5995-01-259-9026. Primary manufacturer part number: 52666.
Features
  • Cable Assembly,radio Frequency — FSC 5995
  • Temp Rating: -200.0 CELSIUS AND 200.0 CELSIUS DEGC
  • Surface Treatment: SILVER CORE CONDUCTOR SINGLE CONDUCTOR
  • Precious Material and Weight: 0.040 SILVER GRAINS, TROY
  • Strand Awg Size Per Conductor: 29 SINGLE CONDUCTOR
  • Electrical Resistance: 50.00 OHMS IMPEDANCE
  • Surface Treatment Document and Classification: ASTM B298 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
  • Material: PLASTIC FLUORINATED ETHYLENE PROPYLENE FOURTH POSITION JACKET SINGLE CONDUCTOR
Applications
  • Electrical power distribution
  • Signal transmission
  • Equipment interconnection
  • Applications requiring Plastic Fluorinated Ethylene Propylene Fourth Position Jacket Single Conductor construction
General Description

The Cable Assembly,radio Frequency, cataloged under National Stock Number 5995-01-259-9026, is classified within Federal Supply Class 5995 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Semflex, Inc.. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5995-01-259-9026
Primary Part Number52666
Item NameCable Assembly,radio Frequency
FSC / FSG5995 / 59 — No Item Name Available
ManufacturerSemflex, Inc.
StatusACTIVE
Temp Rating-200.0 CELSIUS AND 200.0 CELSIUS DEGC
Surface TreatmentSILVER CORE CONDUCTOR SINGLE CONDUCTOR
Precious Material and Weight0.040 SILVER GRAINS, TROY
Strand Awg Size Per Conductor29 SINGLE CONDUCTOR
Electrical Resistance50.00 OHMS IMPEDANCE
Surface Treatment Document and ClassificationASTM B298 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
MaterialPLASTIC FLUORINATED ETHYLENE PROPYLENE FOURTH POSITION JACKET SINGLE CONDUCTOR
MaterialCOPPER THIRD POSITION JACKET SINGLE CONDUCTOR
MaterialCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
Terminal Manufacturer Identifying Reference NumberN01 SECOND END ALL CONDUCTORS
MaterialPLASTIC POLYTETRAFLUOROETHYLENE FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
Cross Section Outside Diameter0.313 INCHES NOMINAL IN
Conductor FormSTRANDED SINGLE CONDUCTOR
Material Document and ClassificationASTM B298 ASSN STD SINGLE MATERIAL RESPONSE THIRD POSITION JACKET SINGLE CONDUCTOR
Precious Material and LocationCONDUCTOR SILVER
MaterialCOPPER SECOND POSITION SHIELD FOIL SINGLE CONDUCTOR
Precious MaterialSILVER
Terminal Commercial and Government Entity Code65474 BOTH ENDS SINGLE CONDUCTOR
Style DesignatorINTERNAL CONNECTORS
Conductor Arrangement and Quantity1 COAXIAL
Strand Quantity Per Conductor19 SINGLE CONDUCTOR
Round Conductor Size16 AWG SINGLE CONDUCTOR
Termination TypeCONNECTOR INTERNAL STRAIGHT BOTH ENDS SINGLE CONDUCTOR
Conductor Quantity1
Terminal Manufacturer Identifying Reference NumberN01 FIRST END ALL CONDUCTORS
Material Document and ClassificationASTM B298 ASSN STD SINGLE MATERIAL RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
Cross-Sectional Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5310-00-358-3797020064 INTERCHANGEABLE
Washer,flat
Thermo King Corporation Dba Phoenix Global Distirbution.
5995-01-259-902552665 INTERCHANGEABLE
Cable Assembly,radio Frequency
Semflex, Inc.
5995-01-259-902752667 INTERCHANGEABLE
Cable Assembly,radio Frequency
Semflex, Inc.
6520-01-594-196352666 INTERCHANGEABLE
Ringless System,dental Casting
Bego Usa Inc
5130-01-631-2621 INTERCHANGEABLE
Grinder,portable
4820-01-664-877752666 INTERCHANGEABLE
Retainer,seat,valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
R2N01N01038.8 Gore W L and Associates Inc Electronic Products Div (USA)
5542243-18 Naval Sea Systems Command (USA)
52666 PRIMARY Semflex, Inc. (USA)
5542243 Raytheon Company Div Corp (USA)
R2N01N01038.8 PRIMARY W L Gore & Associates Inc Div Electronic Procucts Division (USA)
Related Parts
5310-00-358-3797INTERCHANGEABLE
WASHER,FLAT
020064
5995-01-259-9025INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
52665
5995-01-259-9027INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
52667
6520-01-594-1963INTERCHANGEABLE
RINGLESS SYSTEM,DENTAL CASTING
52666
5130-01-631-2621INTERCHANGEABLE
GRINDER,PORTABLE
4820-01-664-8777INTERCHANGEABLE
RETAINER,SEAT,VALVE
52666

Frequently Asked Questions

What is NSN 5995-01-259-9026?

NSN 5995-01-259-9026 is a Cable Assembly,radio Frequency, manufactured by Semflex, Inc., classified under FSC 5995 (No Item Name Available). Status: active.

What are the part numbers for NSN 5995-01-259-9026?

NSN 5995-01-259-9026 has 5 cross-referenced part numbers: R2N01N01038.8 (Gore W L and Associates Inc Electronic Products Div), 5542243-18 (Naval Sea Systems Command), 52666 (Semflex, Inc.), 5542243 (Raytheon Company Div Corp), R2N01N01038.8 (W L Gore & Associates Inc Div Electronic Procucts Division).

What NSN replaces 5995-01-259-9026?

There are 6 known substitutes for 5995-01-259-9026: 5310-00-358-3797, 5995-01-259-9025, 5995-01-259-9027 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 52666?

Key specifications for 52666: Temp Rating: -200.0 CELSIUS AND 200.0 CELSIUS DEGC; Surface Treatment: SILVER CORE CONDUCTOR SINGLE CONDUCTOR; Precious Material and Weight: 0.040 SILVER GRAINS, TROY; Strand Awg Size Per Conductor: 29 SINGLE CONDUCTOR. 28 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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