PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

58139-90002-2Attenuator,variable

Textron Systems Corporation Dba Textron Systems Corp · NSN 5985-01-160-8809 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-160-8809 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-160-8809. Primary manufacturer part number: 58139-90002-2.
Features
  • Attenuator,variable — FSC 5985
  • Attenuation Per Step in Decibels: 10.0
  • Flat Height: 0.218 INCHES NOMINAL IN
  • FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
  • Terminal Type and Quantity: 2 CONNECTOR, COAXIAL, FEMALE
  • Shaft Length: 4.560 INCHES NOMINAL IN
  • Mounting Facility Type and Quantity: 2 THREADED HOLE(S)
  • Application Design: TRANSMISSION LINE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,variable, cataloged under National Stock Number 5985-01-160-8809, 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 Textron Systems Corporation Dba Textron Systems Corp. Government technical data includes 26 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-160-8809
Primary Part Number58139-90002-2
Item NameAttenuator,variable
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerTextron Systems Corporation Dba Textron Systems Corp
StatusACTIVE
Attenuation Per Step in Decibels10.0
Flat Height0.218 INCHES NOMINAL IN
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Terminal Type and Quantity2 CONNECTOR, COAXIAL, FEMALE
Shaft Length4.560 INCHES NOMINAL IN
Mounting Facility Type and Quantity2 THREADED HOLE(S)
Application DesignTRANSMISSION LINE
Adjustment Device Type and Quantity1 SHAFT
Shaft Diameter0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
Coaxial Connector Series DesignationSMA
First Flat Length0.510 INCHES NOMINAL IN
Overall Attenuation Range in Decibels+0.0 TO 80.0
Impedance Rating in Ohms50.0 INPUT-OUTPUT
Mounting Facility Nominal Screw Thread Diameter0.138 INCHES IN
Step Position Quantity9
Mounting Thread Quantity32 PER INCH
Frequency Range8.300 GIGAHERTZ MINIMUM AND 10.100 GIGAHERTZ MAXIMUM
Mounting Facility Screw Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Insertion Loss at Minimum Attenuation in Maximum Decibels0.75
Body StyleIRREGULAR
Distance Between Mounting Facility Centers1.100 INCHES NOMINAL IN
Mounting Facility PatternTWO POSITION IN-LINE
Attenuation Variation MethodSTEPPED
Overall Attenuation Accuracy in Decibels-1.00 TO 1.00
Shaft TypeROUND
Voltage Standing Wave Ratio1.30
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2530-00-161-757511686267-2 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
U S Army Tank Automotive Command Amsta-Im-Mm
3805-00-255-63679776 INTERCHANGEABLE
Loader,scoop Type,full Tracked
Caterpillar Inc Div Caterpillar Defense
6515-01-317-8398 INTERCHANGEABLE
Bag,drainage,wound
5950-01-531-1051WE-3286 INTERCHANGEABLE
Reactor
Wems Electronics Transformer Group
Cross-Reference Index
Part NumberManufacturer
58139-90002-2 PRIMARY Textron Systems Corporation Dba Textron Systems Corp (USA)
58139-90002-1 Cinch Connectivity Solutions Inc (USA)
9776 Spectrum Control Inc Div Weinschel (USA)
Related Parts
2530-00-161-7575INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
11686267-2
3805-00-255-6367INTERCHANGEABLE
LOADER,SCOOP TYPE,FULL TRACKED
9776
6515-01-317-8398INTERCHANGEABLE
BAG,DRAINAGE,WOUND
5950-01-531-1051INTERCHANGEABLE
REACTOR
WE-3286

Frequently Asked Questions

What is NSN 5985-01-160-8809?

NSN 5985-01-160-8809 is a Attenuator,variable, manufactured by Textron Systems Corporation Dba Textron Systems Corp, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-160-8809?

NSN 5985-01-160-8809 has 3 cross-referenced part numbers: 58139-90002-2 (Textron Systems Corporation Dba Textron Systems Corp), 58139-90002-1 (Cinch Connectivity Solutions Inc), 9776 (Spectrum Control Inc Div Weinschel).

What NSN replaces 5985-01-160-8809?

There are 4 known substitutes for 5985-01-160-8809: 2530-00-161-7575, 3805-00-255-6367, 6515-01-317-8398 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 58139-90002-2?

Key specifications for 58139-90002-2: Attenuation Per Step in Decibels: 10.0; Flat Height: 0.218 INCHES NOMINAL IN; FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Terminal Type and Quantity: 2 CONNECTOR, COAXIAL, FEMALE. 29 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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