PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9975519Attenuator,variable

Us Army Aviation and Missile Command · NSN 5985-00-841-5642 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-841-5642 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-841-5642. Primary manufacturer part number: 9975519.
Features
  • Attenuator,variable — FSC 5985
  • Overall Attenuation Range in Decibels: +1.0 TO 8.0
  • Coaxial Connector Series Designation: N
  • Mounting Facility Type and Quantity: 2 THREADED HOLE(S)
  • Application Design: TRANSMISSION LINE
  • Mounting Facility Pattern: TWO POSITION IN-LINE
  • Mounting Facility Screw Thread Series Designator: UNF
  • Overall Attenuation Accuracy in Decibels: -0.07 TO 0.07
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,variable, cataloged under National Stock Number 5985-00-841-5642, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-841-5642
Primary Part Number9975519
Item NameAttenuator,variable
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusACTIVE
Overall Attenuation Range in Decibels+1.0 TO 8.0
Coaxial Connector Series DesignationN
Mounting Facility Type and Quantity2 THREADED HOLE(S)
Application DesignTRANSMISSION LINE
Mounting Facility PatternTWO POSITION IN-LINE
Mounting Facility Screw Thread Series DesignatorUNF
Overall Attenuation Accuracy in Decibels-0.07 TO 0.07
Adjustment Device Type and Quantity4 PUSHBUTTON
Frequency Range0.000 HERTZ MINIMUM AND 225.000 MEGAHERTZ MAXIMUM
Step Position Quantity4
Body Length6.000 INCHES NOMINAL IN
Body StyleCOAXIAL TYPE
Attenuation Variation MethodSTEPPED
Impedance Rating in Ohms90.0 INPUT-OUTPUT
Terminal Type and Quantity2 CONNECTOR, COAXIAL, FEMALE
Power Rating250.0 MILLIWATTS AVERAGE
Mounting Facility Nominal Screw Thread Diameter0.190 INCHES IN
Distance Between Mounting Facility Centers5.625 INCHES NOMINAL IN
Mounting Thread Quantity32 PER INCH
Attenuation Per Step in Decibels1.0 AND 2.0 AND 4.0
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-156-3548 INTERCHANGEABLE
Bearing,ball,annular
5985-00-341-05063450581-1 INTERCHANGEABLE
Attenuator,variable
Caes Systems Llc
5330-00-356-14134798 INTERCHANGEABLE
Gasket
Cummins Inc.
2840-00-502-24984798 INTERCHANGEABLE
Cap and Handle Assembly
General Electric Company
5342-01-101-2906479-8 INTERCHANGEABLE
Cap,pawl
Parker Hannifin Corp Dba Pneutronics
6515-01-197-7649E7507 INTERCHANGEABLE
Electrode,grounding,electrosurgi
Tyco Healthcare Group Lp Dba Covidien Div Valleylab
5970-01-236-40504798 INTERCHANGEABLE
Insulator,coil End
Aerocontrolex Group, Inc. Div Talley Actuators
6515-01-717-94234798 INTERCHANGEABLE
Cable,patient,oximeter
Masimo Corporation
Cross-Reference Index
Part NumberManufacturer
9975519 Us Army Aviation and Missile Command (USA)
4798 Meggitt (new Hampshire), Inc (USA)
Related Parts
3110-00-156-3548INTERCHANGEABLE
BEARING,BALL,ANNULAR
5985-00-341-0506INTERCHANGEABLE
ATTENUATOR,VARIABLE
3450581-1
5330-00-356-1413INTERCHANGEABLE
GASKET
4798
2840-00-502-2498INTERCHANGEABLE
CAP AND HANDLE ASSEMBLY
4798
5342-01-101-2906INTERCHANGEABLE
CAP,PAWL
479-8
6515-01-197-7649INTERCHANGEABLE
ELECTRODE,GROUNDING,ELECTROSURGI
E7507
5970-01-236-4050INTERCHANGEABLE
INSULATOR,COIL END
4798
6515-01-717-9423INTERCHANGEABLE
CABLE,PATIENT,OXIMETER
4798

Frequently Asked Questions

What is NSN 5985-00-841-5642?

NSN 5985-00-841-5642 is a Attenuator,variable, 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 5985-00-841-5642?

NSN 5985-00-841-5642 has 2 cross-referenced part numbers: 9975519 (Us Army Aviation and Missile Command), 4798 (Meggitt (new Hampshire), Inc).

What NSN replaces 5985-00-841-5642?

There are 8 known substitutes for 5985-00-841-5642: 3110-00-156-3548, 5985-00-341-0506, 5330-00-356-1413 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9975519?

Key specifications for 9975519: Overall Attenuation Range in Decibels: +1.0 TO 8.0; Overall Height: 1.156 INCHES NOMINAL IN; Coaxial Connector Series Designation: N; Mounting Facility Type and Quantity: 2 THREADED HOLE(S). 23 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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