PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10554981Attenuator,variable

Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate · NSN 5985-00-492-7928 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-492-7928 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-492-7928. Primary manufacturer part number: 10554981.
Features
  • Attenuator,variable — FSC 5985
  • Mounting Facility Nominal Screw Thread Diameter: 0.250 INCHES IN
  • Mounting Facility Screw Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Mounting Facility Type and Quantity: 4 THREADED HOLE(S)
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 4.750 INCHES NOMINAL IN
  • Mounting Thread Quantity: 20 PER INCH
  • Body Material: ALUMINUM
  • Power Rating: 10.0 WATTS AVERAGE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,variable, cataloged under National Stock Number 5985-00-492-7928, 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 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-492-7928
Primary Part Number10554981
Item NameAttenuator,variable
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerCombat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
StatusACTIVE
Mounting Facility Nominal Screw Thread Diameter0.250 INCHES IN
Mounting Facility Screw Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Mounting Facility Type and Quantity4 THREADED HOLE(S)
Center to Center Distance Between Mounting Facilities Parallel to Length4.750 INCHES NOMINAL IN
Mounting Thread Quantity20 PER INCH
Body MaterialALUMINUM
Power Rating10.0 WATTS AVERAGE
Voltage Standing Wave Ratio1.15
Overall Attenuation Range in Decibels+0.0 TO 60.0
Waveguide Flange TypeCOVER
Attenuation Variation MethodCONTINUOUS
Insertion Loss at Minimum Attenuation in Maximum Decibels1.0
Body StyleWAVEGUIDE TYPE
Center to Center Distance Between Mounting Facilities Parallel to Width2.380 INCHES NOMINAL IN
Waveguide Flange DesignationUG-135/U
Frequency Range8.200 GIGAHERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM
Adjustment Device Type and Quantity1 KNOB
Terminal Type and Quantity2 FLANGE
Application DesignWAVEGUIDE
Mounting Facility PatternFOUR POSITION RECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-00-291-903121158-0760 INTERCHANGEABLE
Seal,plain Encased
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
9540-00-726-1045 INTERCHANGEABLE
Channel,structural
4330-00-727-63101333287 INTERCHANGEABLE
Filter,fluid
Honeywell International Inc Dba Honeywell Div Consumer Products Group
3950-01-666-055260562 INTERCHANGEABLE
Support,winch
Exlar Corporation
Cross-Reference Index
Part NumberManufacturer
60562 Waveline Inc (USA)
10554981 PRIMARY Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
Related Parts
5330-00-291-9031INTERCHANGEABLE
SEAL,PLAIN ENCASED
21158-0760
9540-00-726-1045INTERCHANGEABLE
CHANNEL,STRUCTURAL
4330-00-727-6310INTERCHANGEABLE
FILTER,FLUID
1333287
3950-01-666-0552INTERCHANGEABLE
SUPPORT,WINCH
60562

Frequently Asked Questions

What is NSN 5985-00-492-7928?

NSN 5985-00-492-7928 is a Attenuator,variable, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-492-7928?

NSN 5985-00-492-7928 has 2 cross-referenced part numbers: 60562 (Waveline Inc), 10554981 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).

What NSN replaces 5985-00-492-7928?

There are 4 known substitutes for 5985-00-492-7928: 5330-00-291-9031, 9540-00-726-1045, 4330-00-727-6310 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10554981?

Key specifications for 10554981: Mounting Facility Nominal Screw Thread Diameter: 0.250 INCHES IN; Mounting Facility Screw Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Overall Height: 6.530 INCHES NOMINAL IN; Overall Length: 8.750 INCHES NOMINAL IN. 23 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com