PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8520731Attenuator,fixed

Us Army Aviation and Missile Command · NSN 5985-00-583-6307 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-583-6307 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-583-6307. Primary manufacturer part number: 8520731.
Features
  • Attenuator,fixed — FSC 5985
  • Attenuation Accuracy Reference Frequency: 1.2 GIGAHERTZ
  • Frequency Range: 0.000 HERTZ MINIMUM AND 4.000 GIGAHERTZ MAXIMUM
  • Mounting Method: CONNECTOR
  • Output Impedance Rating in Ohms: 50.0
  • Overall Diameter: 0.782 INCHES MINIMUM AND 0.842 INCHES MAXIMUM IN
  • Coaxial Connector Series Designation: N
  • Input Impedance Rating in Ohms: 50.0
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-00-583-6307, 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 Us Army Aviation and Missile Command. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-583-6307
Primary Part Number8520731
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusACTIVE
Attenuation Accuracy Reference Frequency1.2 GIGAHERTZ
Frequency Range0.000 HERTZ MINIMUM AND 4.000 GIGAHERTZ MAXIMUM
Mounting MethodCONNECTOR
Output Impedance Rating in Ohms50.0
Overall Diameter0.782 INCHES MINIMUM AND 0.842 INCHES MAXIMUM IN
Coaxial Connector Series DesignationN
Input Impedance Rating in Ohms50.0
Rf Signal Attenuation in Decibels10.0
Voltage Standing Wave Ratio1.20
Attenuation Accuracy in Decibels-1.00 TO 1.00
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Voltage Standing Wave Ratio Frequency Range+0.0 TO 4.0 GIGAHERTZ
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Terminal Type and Quantity2 CONNECTOR
Application DesignTRANSMISSION LINE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5950-00-051-81621100C INTERCHANGEABLE
Coil,radio Frequency
North Hills Signal Processing Corp.
5940-00-549-49111100C INTERCHANGEABLE
Terminal Board
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
3110-00-554-3275P200KZ3FS50000 INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
Cross-Reference Index
Part NumberManufacturer
1100C Peraton Inc (USA)
8520731 PRIMARY Us Army Aviation and Missile Command (USA)
1100C Telephonics Corp/prd Instruments (USA)
Related Parts
5950-00-051-8162INTERCHANGEABLE
COIL,RADIO FREQUENCY
1100C
5940-00-549-4911INTERCHANGEABLE
TERMINAL BOARD
1100C
3110-00-554-3275INTERCHANGEABLE
BEARING,BALL,ANNULAR
P200KZ3FS50000

Frequently Asked Questions

What is NSN 5985-00-583-6307?

NSN 5985-00-583-6307 is a Attenuator,fixed, manufactured by Us Army Aviation and Missile Command, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-583-6307?

NSN 5985-00-583-6307 has 3 cross-referenced part numbers: 1100C (Peraton Inc), 8520731 (Us Army Aviation and Missile Command), 1100C (Telephonics Corp/prd Instruments).

What NSN replaces 5985-00-583-6307?

There are 3 known substitutes for 5985-00-583-6307: 5950-00-051-8162, 5940-00-549-4911, 3110-00-554-3275. Verify interchangeability with system specifications before substitution.

What are the specifications of 8520731?

Key specifications for 8520731: Attenuation Accuracy Reference Frequency: 1.2 GIGAHERTZ; Frequency Range: 0.000 HERTZ MINIMUM AND 4.000 GIGAHERTZ MAXIMUM; Mounting Method: CONNECTOR; Output Impedance Rating in Ohms: 50.0. 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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