PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55200Attenuator,variable

Atlas Engineering Co Inc Pentronic Div · NSN 5985-00-581-1446 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-581-1446 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-581-1446. Primary manufacturer part number: 55200.
Features
  • Attenuator,variable — FSC 5985
  • Terminal Type and Quantity: 2 FLANGE
  • Application Design: WAVEGUIDE
  • Mounting Facility Type and Quantity: 4 TERMINAL WITH MOUNTING HOLES
  • Voltage Standing Wave Ratio: 1.15
  • Overall Attenuation Accuracy in Decibels: -0.26175 TO 0.26175
  • Attenuation Variation Method: STEPPED
  • Body Length: 5.843 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,variable, cataloged under National Stock Number 5985-00-581-1446, 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 Atlas Engineering Co Inc Pentronic Div. Government technical data includes 12 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5985-00-581-1446
Primary Part Number55200
Item NameAttenuator,variable
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerAtlas Engineering Co Inc Pentronic Div
StatusCANCELLED
Terminal Type and Quantity2 FLANGE
Application DesignWAVEGUIDE
Mounting Facility Type and Quantity4 TERMINAL WITH MOUNTING HOLES
Voltage Standing Wave Ratio1.15
Overall Attenuation Accuracy in Decibels-0.26175 TO 0.26175
Attenuation Variation MethodSTEPPED
Body Length5.843 INCHES NOMINAL IN
Power Rating1.0 WATTS AVERAGE
Frequency Range8.500 GIGAHERTZ MINIMUM AND 9.600 GIGAHERTZ MAXIMUM
Overall Attenuation Range in Decibels+0.1 TO 35.0
Body MaterialCOPPER ALLOY
Step Position Quantity2
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5306-00-021-67821A9859 INTERCHANGEABLE
Bolt,machine
Napco International Llc Dba Napco International Inc
3110-00-100-362955200 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Rbc Bearings Incorporated Div West Trenton Division
5330-00-154-84272307 INTERCHANGEABLE
Seal,plain Encased
Rexnord Industries Llc
5330-00-285-946711815 INTERCHANGEABLE
Seal,plain Encased
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5950-00-518-202555200 INTERCHANGEABLE
Coil,radio Frequency
L3harris Technologies, Inc Div Space & Airborne Systems
5975-00-665-0648 INTERCHANGEABLE
Bushing,electrical Conduit
5977-01-008-64605305-178-015 INTERCHANGEABLE
Holder Assembly,electrical Conta
Warner Electric Brake and Clutch Co Hq
5961-01-110-30351854-0815 INTERCHANGEABLE
Transistor
Keysight Technologies Inc
2530-01-147-642315665667 INTERCHANGEABLE
Caliper Assembly,disc Brake
General Motors Llc Dba General Motors Llc
5330-01-173-0796552-00 INTERCHANGEABLE
Seal
Taylor Made Environmental
Cross-Reference Index
Part NumberManufacturer
55200 Atlas Engineering Co Inc Pentronic Div (USA)
C50012ALTE Mutron Corp (USA)
AC1000D Cardwell Condenser Corp Lapointe-Admiral Div (USA)
Related Parts
5306-00-021-6782INTERCHANGEABLE
BOLT,MACHINE
1A9859
3110-00-100-3629INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
55200
5330-00-154-8427INTERCHANGEABLE
SEAL,PLAIN ENCASED
2307
5330-00-285-9467INTERCHANGEABLE
SEAL,PLAIN ENCASED
11815
5950-00-518-2025INTERCHANGEABLE
COIL,RADIO FREQUENCY
55200
5975-00-665-0648INTERCHANGEABLE
BUSHING,ELECTRICAL CONDUIT
5977-01-008-6460INTERCHANGEABLE
HOLDER ASSEMBLY,ELECTRICAL CONTA
5305-178-015
5961-01-110-3035INTERCHANGEABLE
TRANSISTOR
1854-0815
2530-01-147-6423INTERCHANGEABLE
CALIPER ASSEMBLY,DISC BRAKE
15665667
5330-01-173-0796INTERCHANGEABLE
SEAL
552-00
5110-01-414-5406INTERCHANGEABLE
ADAPTER KIT,MULTI-TOOL
05200
4940-01-612-5998INTERCHANGEABLE
LEAK DETECTOR,REFRIGERANT GAS
55200

Frequently Asked Questions

What is NSN 5985-00-581-1446?

NSN 5985-00-581-1446 is a Attenuator,variable, manufactured by Atlas Engineering Co Inc Pentronic Div, classified under FSC 5985 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5985-00-581-1446?

NSN 5985-00-581-1446 has 3 cross-referenced part numbers: 55200 (Atlas Engineering Co Inc Pentronic Div), C50012ALTE (Mutron Corp), AC1000D (Cardwell Condenser Corp Lapointe-Admiral Div).

What NSN replaces 5985-00-581-1446?

There are 12 known substitutes for 5985-00-581-1446: 5306-00-021-6782, 3110-00-100-3629, 5330-00-154-8427 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55200?

Key specifications for 55200: Terminal Type and Quantity: 2 FLANGE; Application Design: WAVEGUIDE; Mounting Facility Type and Quantity: 4 TERMINAL WITH MOUNTING HOLES; Voltage Standing Wave Ratio: 1.15. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5985-00-581-1446 still in active supply?

NSN 5985-00-581-1446 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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