PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9197921Attenuator,variable

Us Army Aviation and Missile Command · NSN 5985-00-755-7885 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-755-7885 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-755-7885. Primary manufacturer part number: 9197921.
Features
  • Attenuator,variable — FSC 5985
  • Attenuation Per Step in Decibels: 1.0
  • Operating Temp Range: -55.0 TO 85.0 CELSIUS DEGC
  • Shaft Type: ROUND
  • Precious Material and Location: CONTACTS SILVER
  • Adjustment Device Type and Quantity: 1 SHAFT
  • Shaft Diameter: 0.249 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
  • Application Design: AUDIO
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,variable, cataloged under National Stock Number 5985-00-755-7885, 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 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-755-7885
Primary Part Number9197921
Item NameAttenuator,variable
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusACTIVE
Attenuation Per Step in Decibels1.0
Operating Temp Range-55.0 TO 85.0 CELSIUS DEGC
Shaft TypeROUND
Precious Material and LocationCONTACTS SILVER
Adjustment Device Type and Quantity1 SHAFT
Shaft Diameter0.249 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
Application DesignAUDIO
Attenuation Variation MethodSTEPPED
Mounting Facility PatternTWO POSITION IN-LINE
Mounting Thread Quantity32 PER INCH
Schematic Diagram DesignatorBRIDGED "T"
Step Position Quantity10
Body Diameter2.344 INCHES NOMINAL IN
Impedance Rating in Ohms600.0 INPUT-OUTPUT
Frequency Range0.000 KILOHERTZ MINIMUM AND 525.000 KILOHERTZ MAXIMUM
Shaft Length0.907 INCHES MINIMUM AND 0.969 INCHES MAXIMUM IN
Precious MaterialSILVER
Body Length2.063 INCHES NOMINAL IN
Mounting Facility Nominal Screw Thread Diameter0.164 INCHES IN
Mounting Facility Screw Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Overall Attenuation Accuracy in Decibels-0.75 TO 0.75
Overall Attenuation Range in Decibels+0.0 TO 10.0
Power Rating1.5 WATTS AVERAGE
Bolt Circle Diameter1.500 INCHES NOMINAL IN
Distance Between Mounting Facility Centers1.500 INCHES NOMINAL IN
Body StyleCYLINDRICAL W/SIDE TERMINALS
Terminal Type and Quantity6 TAB, SOLDER LUG
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
6665-00-182-77197958 INTERCHANGEABLE
Combustible Gas Indicator Set,po
Bacharach, Inc.
5935-00-502-71117958 INTERCHANGEABLE
Connector,receptacle,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
2940-00-848-6043101053 INTERCHANGEABLE
Filter Element,intake Air Cleane
American Turbo Systems Inc
3930-01-030-4768 INTERCHANGEABLE
Pad,bearing
5330-01-037-80107958-3 INTERCHANGEABLE
Packing,preformed
Coffin Turbo Pump Inc
3010-01-093-10467958 INTERCHANGEABLE
Housing
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
5330-01-121-02217958 INTERCHANGEABLE
Packing,preformed
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5210-01-214-29387958 INTERCHANGEABLE
Blade,thickness Gage
Rolls-Royce Solutions America Inc
5330-01-276-57867958-7 INTERCHANGEABLE
Retainer,packing
Coffin Turbo Pump Inc
5330-01-624-11877958 INTERCHANGEABLE
Packing,preformed
Teledyne Flir Unmanned Ground Systems, Inc
Cross-Reference Index
Part NumberManufacturer
7958 Meggitt (new Hampshire), Inc (USA)
2511 Meggitt (new Hampshire), Inc (USA)
9197921 PRIMARY Us Army Aviation and Missile Command (USA)
SP1005-1 Nortel Networks France (FRA)
Related Parts
6665-00-182-7719INTERCHANGEABLE
COMBUSTIBLE GAS INDICATOR SET,PO
7958
5935-00-502-7111INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
7958
2940-00-848-6043INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
101053
3930-01-030-4768INTERCHANGEABLE
PAD,BEARING
5330-01-037-8010INTERCHANGEABLE
PACKING,PREFORMED
7958-3
3010-01-093-1046INTERCHANGEABLE
HOUSING
7958
5330-01-121-0221INTERCHANGEABLE
PACKING,PREFORMED
7958
5210-01-214-2938INTERCHANGEABLE
BLADE,THICKNESS GAGE
7958
5330-01-276-5786INTERCHANGEABLE
RETAINER,PACKING
7958-7
5330-01-624-1187INTERCHANGEABLE
PACKING,PREFORMED
7958

Frequently Asked Questions

What is NSN 5985-00-755-7885?

NSN 5985-00-755-7885 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 5985-00-755-7885?

NSN 5985-00-755-7885 has 4 cross-referenced part numbers: 7958 (Meggitt (new Hampshire), Inc), 2511 (Meggitt (new Hampshire), Inc), 9197921 (Us Army Aviation and Missile Command), SP1005-1 (Nortel Networks France).

What NSN replaces 5985-00-755-7885?

There are 10 known substitutes for 5985-00-755-7885: 6665-00-182-7719, 5935-00-502-7111, 2940-00-848-6043 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9197921?

Key specifications for 9197921: Overall Length: 3.000 INCHES NOMINAL IN; Attenuation Per Step in Decibels: 1.0; Operating Temp Range: -55.0 TO 85.0 CELSIUS DEGC; Shaft Type: ROUND. 30 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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