PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9578Attenuator,fixed

Rockwell International Corp Flow Control Div · NSN 5985-01-071-6415 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-071-6415 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-071-6415. Primary manufacturer part number: 9578.
Features
  • Attenuator,fixed — FSC 5985
  • Application Design: TRANSMISSION LINETRANSMISSION LINE
  • Coaxial Connector Series Designation: BNCBNC
  • Frequency Range: 50.000 MEGAHERTZ MINIMUM AND 50.000 MEGAHERTZ MINIMUM AND 90.000 MEGAHERTZ MAXIMUM90.000 MEGAHERTZ MAXIMUM
  • Material: STEEL CORROSION RESISTING BODY
  • Input Impedance Rating in Ohms: 50.050.0
  • Overall Diameter: 0.600 INCHES NOMINAL0.600 INCHES NOMINAL IN
  • Terminal Type and Quantity: 1 CONNECTOR1 CONNECTOR
Applications
  • Applications requiring Steel Corrosion Resisting Body construction
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-01-071-6415, 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 Rockwell International Corp Flow Control Div. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5985-01-071-6415
Primary Part Number9578
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerRockwell International Corp Flow Control Div
StatusCANCELLED
Application DesignTRANSMISSION LINETRANSMISSION LINE
Coaxial Connector Series DesignationBNCBNC
Frequency Range50.000 MEGAHERTZ MINIMUM AND 50.000 MEGAHERTZ MINIMUM AND 90.000 MEGAHERTZ MAXIMUM90.000 MEGAHERTZ MAXIMUM
MaterialSTEEL CORROSION RESISTING BODY
Input Impedance Rating in Ohms50.050.0
Overall Diameter0.600 INCHES NOMINAL0.600 INCHES NOMINAL IN
Terminal Type and Quantity1 CONNECTOR1 CONNECTOR
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Operating Temp Range-32.0 TO 65.0 CELSIUS-32.0 TO 65.0 CELSIUS DEGC
Voltage Standing Wave Ratio1.501.50
Frequency Sensitivity Attenuation in Decibels0.050.05
Connection Type Per FunctionFEMALE INPUT AND FEMALE INPUT AND MALE OUTPUTMALE OUTPUT
Temperature Sensitivity Attenuation in Decibels0.00010.0001
Rf Signal Attenuation in Decibels0.00.0
Attenuation Accuracy in Decibels-0.20 TO 0.20-0.20 TO 0.20
Mounting MethodCONNECTORCONNECTOR
Output Impedance Rating in Ohms50.050.0
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5910-00-105-76603028873 INTERCHANGEABLE
Capacitor,variable,air Dielectri
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
2940-00-533-6903 INTERCHANGEABLE
Filtering Disk,fluid
5306-00-769-78767697876 INTERCHANGEABLE
Bolt
U S Army Tank Automotive Command Amsta-Im-Mm
4330-01-126-983599139873 INTERCHANGEABLE
Coupling,machine Oil Purifier
Alfa Laval Inc
6145-01-206-4855621-040-00 INTERCHANGEABLE
Cable,power,electrical
Monaco Enterprises, Inc. Dba Monaco Enterprises Inc
5305-01-275-19269578 INTERCHANGEABLE
Screw,wood
Auto Vehicle Parts Co Dba Au-Ve-Co
4330-01-279-7553B214AS INTERCHANGEABLE
Purifier,centrifugal,oil
Alfa Laval Inc
5950-01-295-01929578 INTERCHANGEABLE
Transformer,pulse
Canberra Industries Inc.
6150-01-499-0181 INTERCHANGEABLE
Lead,electrical
Cross-Reference Index
Part NumberManufacturer
SM-A-934971 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
9578 PRIMARY Rockwell International Corp Flow Control Div (USA)
SM-A-934971 Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq (USA)
SM-A-934971 Rlc Electronics, Inc (USA)
A-2873 Rlc Electronics, Inc (USA)
SM-A-934971 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
9578 Spectrum Control Inc Div Weinschel (USA)
Related Parts
5910-00-105-7660INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
3028873
2940-00-533-6903INTERCHANGEABLE
FILTERING DISK,FLUID
5306-00-769-7876INTERCHANGEABLE
BOLT
7697876
4330-01-126-9835INTERCHANGEABLE
COUPLING,MACHINE OIL PURIFIER
99139873
6145-01-206-4855INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
621-040-00
5305-01-275-1926INTERCHANGEABLE
SCREW,WOOD
9578
4330-01-279-7553INTERCHANGEABLE
PURIFIER,CENTRIFUGAL,OIL
B214AS
5950-01-295-0192INTERCHANGEABLE
TRANSFORMER,PULSE
9578
6150-01-499-0181INTERCHANGEABLE
LEAD,ELECTRICAL

Frequently Asked Questions

What is NSN 5985-01-071-6415?

NSN 5985-01-071-6415 is a Attenuator,fixed, manufactured by Rockwell International Corp Flow Control Div, classified under FSC 5985 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5985-01-071-6415?

NSN 5985-01-071-6415 has 7 cross-referenced part numbers: SM-A-934971 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), 9578 (Rockwell International Corp Flow Control Div), SM-A-934971 (Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq), SM-A-934971 (Rlc Electronics, Inc), A-2873 (Rlc Electronics, Inc) and 2 more.

What NSN replaces 5985-01-071-6415?

There are 9 known substitutes for 5985-01-071-6415: 5910-00-105-7660, 2940-00-533-6903, 5306-00-769-7876 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9578?

Key specifications for 9578: Application Design: TRANSMISSION LINETRANSMISSION LINE; Coaxial Connector Series Designation: BNCBNC; Frequency Range: 50.000 MEGAHERTZ MINIMUM AND 50.000 MEGAHERTZ MINIMUM AND 90.000 MEGAHERTZ MAXIMUM90.000 MEGAHERTZ MAXIMUM; Material: STEEL CORROSION RESISTING BODY. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5985-01-071-6415 still in active supply?

NSN 5985-01-071-6415 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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