PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

128C539H06Attenuator,fixed

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 5985-00-824-3584 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-824-3584 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-824-3584. Primary manufacturer part number: 128C539H06.
Features
  • Attenuator,fixed — FSC 5985
  • Test Data Document: 97942-128C539H06 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
  • Material: STEEL CORROSION RESISTING BODY
  • Overall Diameter: 0.390 INCHES MAXIMUM IN
  • Frequency Range: 0.000 HERTZ MINIMUM AND 4.000 GIGAHERTZ MAXIMUM
  • Output Impedance Rating in Ohms: 50.0
  • Power Rating: 250.0 MILLIWATTS AVERAGE
  • Input Impedance Rating in Ohms: 50.0
Applications
  • Applications requiring Steel Corrosion Resisting Body construction
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-00-824-3584, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5985-00-824-3584
Primary Part Number128C539H06
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusCANCELLED
Test Data Document97942-128C539H06 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
MaterialSTEEL CORROSION RESISTING BODY
Overall Diameter0.390 INCHES MAXIMUM IN
Frequency Range0.000 HERTZ MINIMUM AND 4.000 GIGAHERTZ MAXIMUM
Output Impedance Rating in Ohms50.0
Power Rating250.0 MILLIWATTS AVERAGE
Input Impedance Rating in Ohms50.0
Terminal Type and Quantity2 CONNECTOR
Mounting MethodCONNECTOR
Rf Signal Attenuation in Decibels40.0
Coaxial Connector Series DesignationSMA
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Application DesignTRANSMISSION LINE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5985-01-058-7826 INTERCHANGEABLE
Attenuator,fixed
5985-01-099-666913014-14N INTERCHANGEABLE
Attenuator,fixed
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
Cross-Reference Index
Part NumberManufacturer
128C539H06 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
MIL-A-3933/15 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M3933/15-06 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5985-01-058-7826INTERCHANGEABLE
ATTENUATOR,FIXED
5985-01-099-6669INTERCHANGEABLE
ATTENUATOR,FIXED
13014-14N

Frequently Asked Questions

What is NSN 5985-00-824-3584?

NSN 5985-00-824-3584 is a Attenuator,fixed, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5985 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5985-00-824-3584?

NSN 5985-00-824-3584 has 3 cross-referenced part numbers: 128C539H06 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), MIL-A-3933/15 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M3933/15-06 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5985-00-824-3584?

There are 2 known substitutes for 5985-00-824-3584: 5985-01-058-7826, 5985-01-099-6669. Verify interchangeability with system specifications before substitution.

What are the specifications of 128C539H06?

Key specifications for 128C539H06: Test Data Document: 97942-128C539H06 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING); Material: STEEL CORROSION RESISTING BODY; Overall Diameter: 0.390 INCHES MAXIMUM IN; Frequency Range: 0.000 HERTZ MINIMUM AND 4.000 GIGAHERTZ MAXIMUM. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5985-00-824-3584 still in active supply?

NSN 5985-00-824-3584 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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