PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5983731Attenuator,fixed

Naval Sea Systems Command · NSN 5985-01-250-5929 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-250-5929 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-250-5929. Primary manufacturer part number: 5983731.
Features
  • Attenuator,fixed — FSC 5985
  • Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
  • Frequency Sensitivity Attenuation in Decibels: 0.015
  • Frequency Range: 0.000 HERTZ MINIMUM AND 8.000 GIGAHERTZ MAXIMUM
  • Output Impedance Rating in Ohms: 50.0
  • Input Impedance Rating in Ohms: 50.0
  • Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC
  • Voltage Standing Wave Ratio: 1.07
Applications
  • Applications requiring Steel Corrosion Resisting Body construction
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-01-250-5929, is classified within Federal Supply Class 5985 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-250-5929
Primary Part Number5983731
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Frequency Sensitivity Attenuation in Decibels0.015
Frequency Range0.000 HERTZ MINIMUM AND 8.000 GIGAHERTZ MAXIMUM
Output Impedance Rating in Ohms50.0
Input Impedance Rating in Ohms50.0
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Voltage Standing Wave Ratio1.07
Rf Signal Attenuation in Decibels3.0
Coaxial Connector Series DesignationTNC
Voltage Standing Wave Ratio Frequency Range+0.0 TO 8.0 GIGAHERTZ
Terminal Type and Quantity2 CONNECTOR
Attenuation Accuracy in Decibels-0.30 TO 0.30
Mounting MethodCONNECTOR
Overall Diameter0.650 INCHES NOMINAL IN
Temperature Sensitivity Attenuation in Decibels0.00005
Application DesignTRANSMISSION LINE
Power Rating2.0 WATTS AVERAGE
MaterialSTEEL CORROSION RESISTING BODY
Surface TreatmentPASSIVATE BODY
Surface TreatmentPASSIVATE TERMINAL
MaterialSTEEL CORROSION RESISTING TERMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5330-00-091-7357 INTERCHANGEABLE
Gasket,case
1560-00-217-6839 INTERCHANGEABLE
Tube,e,haust Manifo
5330-00-579-685750129-1 INTERCHANGEABLE
Packing with Retainer
Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp
3455-01-051-7505 INTERCHANGEABLE
Reamer Set,machine
5950-01-258-057322303 INTERCHANGEABLE
Transformer,power
Ward Leonard Ct Llc
Cross-Reference Index
Part NumberManufacturer
223-03 Cinch Connectivity Solutions Inc (USA)
5983731 PRIMARY Naval Sea Systems Command (USA)
MDC89248-3DB Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc (USA)
223-3 Cinch Connectivity Solutions Inc (USA)
ATT-0223-03-000-02 Cinch Connectivity Solutions Inc (USA)
1207729 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
Related Parts
5330-00-091-7357INTERCHANGEABLE
GASKET,CASE
1560-00-217-6839INTERCHANGEABLE
TUBE,E,HAUST MANIFO
5330-00-579-6857INTERCHANGEABLE
PACKING WITH RETAINER
50129-1
3455-01-051-7505INTERCHANGEABLE
REAMER SET,MACHINE
5950-01-258-0573INTERCHANGEABLE
TRANSFORMER,POWER
22303

Frequently Asked Questions

What is NSN 5985-01-250-5929?

NSN 5985-01-250-5929 is a Attenuator,fixed, manufactured by Naval Sea Systems Command, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-250-5929?

NSN 5985-01-250-5929 has 6 cross-referenced part numbers: 223-03 (Cinch Connectivity Solutions Inc), 5983731 (Naval Sea Systems Command), MDC89248-3DB (Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc), 223-3 (Cinch Connectivity Solutions Inc), ATT-0223-03-000-02 (Cinch Connectivity Solutions Inc) and 1 more.

What NSN replaces 5985-01-250-5929?

There are 5 known substitutes for 5985-01-250-5929: 5330-00-091-7357, 1560-00-217-6839, 5330-00-579-6857 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5983731?

Key specifications for 5983731: Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Frequency Sensitivity Attenuation in Decibels: 0.015; Frequency Range: 0.000 HERTZ MINIMUM AND 8.000 GIGAHERTZ MAXIMUM; Output Impedance Rating in Ohms: 50.0. 22 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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