PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-A-3933/25Attenuator,fixed

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5985-01-352-8555 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-352-8555 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-352-8555. Primary manufacturer part number: MIL-A-3933/25.
Features
  • Attenuator,fixed — FSC 5985
  • Mounting Method: CONNECTOR
  • Terminal Type and Quantity: 2 CONNECTOR
  • Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
  • Coaxial Connector Series Designation: SMA
  • Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC
  • Frequency Range: 0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM
  • Attenuation Accuracy in Decibels: -0.30 TO 0.30
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-01-352-8555, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 1 manufacturer, 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
NSN5985-01-352-8555
Primary Part NumberMIL-A-3933/25
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Mounting MethodCONNECTOR
Terminal Type and Quantity2 CONNECTOR
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Coaxial Connector Series DesignationSMA
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Frequency Range0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM
Attenuation Accuracy in Decibels-0.30 TO 0.30
Voltage Standing Wave Ratio Frequency Range+0.0 TO 2.0 GIGAHERTZ AND +2.0 TO 4.0 GIGAHERTZ AND +4.0 TO 8.0 GIGAHERTZ AND +8.0 TO 12.4 GIGAHERTZ AND +12.4 TO 18.0 GIGAHERTZ
Output Impedance Rating in Ohms50.0
Connection Type Per FunctionMALE INPUT AND FEMALE OUTPUT
Overall Diameter0.260 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
Input Impedance Rating in Ohms50.0
Power Rating2.0 WATTS AVERAGE AND 500.0 WATTS PEAK
Voltage Standing Wave Ratio1.10 AND 1.15 AND 1.20 AND 1.25 AND 1.35
Rf Signal Attenuation in Decibels2.0
Application DesignTRANSMISSION LINE
Surface TreatmentCADMIUM BODY
MaterialCOPPER ALLOY BODY
Test Data Document81349-MIL-A-3933 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Specification/standard Data81349-MIL-A-3933/25 GOVERNMENT SPECIFICATION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5985-01-040-4184 INTERCHANGEABLE
Attenuator,fixed
5985-01-144-2398 INTERCHANGEABLE
Attenuator,fixed
5985-01-228-9810 INTERCHANGEABLE
Attenuator,fixed
5985-01-237-7355 INTERCHANGEABLE
Attenuator,fixed
5985-01-326-7687 INTERCHANGEABLE
Attenuator,fixed
5985-01-326-7689 INTERCHANGEABLE
Attenuator,fixed
5985-01-328-1404 INTERCHANGEABLE
Attenuator,fixed
5985-01-332-5737 INTERCHANGEABLE
Attenuator,fixed
5985-01-352-8553 INTERCHANGEABLE
Attenuator,fixed
5985-01-352-8556 INTERCHANGEABLE
Attenuator,fixed
Cross-Reference Index
Part NumberManufacturer
MIL-A-3933/25 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-A-3933 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M3933/25-62 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-3933/25 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M3933/25-62N Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5985-01-040-4184INTERCHANGEABLE
ATTENUATOR,FIXED
5985-01-144-2398INTERCHANGEABLE
ATTENUATOR,FIXED
5985-01-228-9810INTERCHANGEABLE
ATTENUATOR,FIXED
5985-01-237-7355INTERCHANGEABLE
ATTENUATOR,FIXED
5985-01-326-7687INTERCHANGEABLE
ATTENUATOR,FIXED
5985-01-326-7689INTERCHANGEABLE
ATTENUATOR,FIXED
5985-01-328-1404INTERCHANGEABLE
ATTENUATOR,FIXED
5985-01-332-5737INTERCHANGEABLE
ATTENUATOR,FIXED
5985-01-352-8553INTERCHANGEABLE
ATTENUATOR,FIXED
5985-01-352-8556INTERCHANGEABLE
ATTENUATOR,FIXED
5985-01-353-1527INTERCHANGEABLE
ATTENUATOR,FIXED
5985-01-406-7253INTERCHANGEABLE
ATTENUATOR,FIXED

Frequently Asked Questions

What is NSN 5985-01-352-8555?

NSN 5985-01-352-8555 is a Attenuator,fixed, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5985 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5985-01-352-8555?

NSN 5985-01-352-8555 has 5 cross-referenced part numbers: MIL-A-3933/25 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-A-3933 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M3933/25-62 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-3933/25 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M3933/25-62N (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5985-01-352-8555?

There are 12 known substitutes for 5985-01-352-8555: 5985-01-040-4184, 5985-01-144-2398, 5985-01-228-9810 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-A-3933/25?

Key specifications for MIL-A-3933/25: Mounting Method: CONNECTOR; Terminal Type and Quantity: 2 CONNECTOR; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Coaxial Connector Series Designation: SMA. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5985-01-352-8555 still in active supply?

NSN 5985-01-352-8555 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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