PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2667366-1Attenuator,variable

Raytheon Company · NSN 5985-00-225-3525 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-225-3525 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-225-3525. Primary manufacturer part number: 2667366-1.
Features
  • Attenuator,variable — FSC 5985
  • Segment Attenuation Range in Decibels: +0.00 TO 1.00 AND +1.00 TO 10.00 AND +10.00 TO 90.00
  • Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S)
  • Power Rating: 250.0 MILLIWATTS AVERAGE
  • Application Design: TRANSMISSION LINE
  • Shaft Diameter: 0.250 INCHES NOMINAL IN
  • Body Style: IRREGULAR
  • Attenuation Variation Method: STEPPED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,variable, cataloged under National Stock Number 5985-00-225-3525, 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 Raytheon Company. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-225-3525
Primary Part Number2667366-1
Item NameAttenuator,variable
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerRaytheon Company
StatusACTIVE
Segment Attenuation Range in Decibels+0.00 TO 1.00 AND +1.00 TO 10.00 AND +10.00 TO 90.00
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S)
Power Rating250.0 MILLIWATTS AVERAGE
Application DesignTRANSMISSION LINE
Shaft Diameter0.250 INCHES NOMINAL IN
Body StyleIRREGULAR
Attenuation Variation MethodSTEPPED
Adjustment Device Type and Quantity3 SHAFT
Mounting Facility PatternFOUR POSITION RECTANGULAR
Segment Attenuation Accuracy in Decibels-0.05 TO 0.05 AND -0.10 TO 0.10 AND -0.20 TO 0.20
Impedance Rating in Ohms93.0 INPUT-OUTPUT
Shaft Length0.812 INCHES NOMINAL IN
Terminal Type and Quantity6 CONNECTOR, RECEPTACLE
Attenuation Per Step in Decibels0.1 AND 1.0 AND 10.0
Frequency Range0.000 HERTZ MINIMUM AND 300.000 KILOHERTZ MAXIMUM
Step Position Quantity32
Center to Center Distance Between Mounting Facilities Parallel to Width2.500 INCHES NOMINAL IN
Overall Attenuation Range in Decibels+0.0 TO 101.0
Unthreaded Mounting Hole Diameter0.218 INCHES NOMINAL IN
Insertion Loss at Minimum Attenuation in Maximum Decibels0.15
Shaft TypeROUND
Center to Center Distance Between Mounting Facilities Parallel to Length4.875 INCHES NOMINAL IN
Voltage Standing Wave Ratio1.06
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-042-7084107-0990 INTERCHANGEABLE
Crimping Tool,terminal,hand
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
4330-00-379-1729 INTERCHANGEABLE
Pad,stop
1005-00-534-024911331 INTERCHANGEABLE
Adapter Assy,20mm G
Nobles Worldwide, Inc.
5330-00-640-9476 INTERCHANGEABLE
Packing,preformed
5950-00-686-6831 INTERCHANGEABLE
Coil,radio Frequency
5950-00-706-9433 INTERCHANGEABLE
Transformer,radio Frequency
5306-00-819-303811331 INTERCHANGEABLE
Bolt,machine
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
4935-00-978-9778 INTERCHANGEABLE
Arm Assembly
1560-00-994-2975 INTERCHANGEABLE
Parts Kit,center Wing
1377-01-017-06131133-1 INTERCHANGEABLE
Cartridge,delay
Universal Propulsion Company Inc Dba Goodrich Div Universal Propulsion Co., Inc.
Cross-Reference Index
Part NumberManufacturer
2667366-1 Raytheon Company (USA)
2667366-1 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
2667366-1 Raytheon Company Div Corp (USA)
11331 Meggitt (new Hampshire), Inc (USA)
2667366-1 Meggitt (new Hampshire), Inc (USA)
2667366-1 Raytheon Company Dba Raytheon Co (USA)
Related Parts
5120-00-042-7084INTERCHANGEABLE
CRIMPING TOOL,TERMINAL,HAND
107-0990
4330-00-379-1729INTERCHANGEABLE
PAD,STOP
1005-00-534-0249INTERCHANGEABLE
ADAPTER ASSY,20MM G
11331
5330-00-640-9476INTERCHANGEABLE
PACKING,PREFORMED
5950-00-686-6831INTERCHANGEABLE
COIL,RADIO FREQUENCY
5950-00-706-9433INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
5306-00-819-3038INTERCHANGEABLE
BOLT,MACHINE
11331
4935-00-978-9778INTERCHANGEABLE
ARM ASSEMBLY
1560-00-994-2975INTERCHANGEABLE
PARTS KIT,CENTER WING
1377-01-017-0613INTERCHANGEABLE
CARTRIDGE,DELAY
1133-1
5315-01-035-7558INTERCHANGEABLE
KEY,IMPELLER
N146
5962-01-069-9679INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SCD 11331

Frequently Asked Questions

What is NSN 5985-00-225-3525?

NSN 5985-00-225-3525 is a Attenuator,variable, manufactured by Raytheon Company, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-225-3525?

NSN 5985-00-225-3525 has 6 cross-referenced part numbers: 2667366-1 (Raytheon Company), 2667366-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2667366-1 (Raytheon Company Div Corp), 11331 (Meggitt (new Hampshire), Inc), 2667366-1 (Meggitt (new Hampshire), Inc) and 1 more.

What NSN replaces 5985-00-225-3525?

There are 12 known substitutes for 5985-00-225-3525: 5120-00-042-7084, 4330-00-379-1729, 1005-00-534-0249 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2667366-1?

Key specifications for 2667366-1: Segment Attenuation Range in Decibels: +0.00 TO 1.00 AND +1.00 TO 10.00 AND +10.00 TO 90.00; Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Power Rating: 250.0 MILLIWATTS AVERAGE; Application Design: TRANSMISSION LINE. 27 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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