PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M3933/1-08Attenuator,fixed

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5985-01-228-9810 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-228-9810 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-228-9810. Primary manufacturer part number: M3933/1-08.
Features
  • Attenuator,fixed — FSC 5985
  • Application Design: TRANSMISSION LINE
  • Attenuation Accuracy in Decibels: -0.20 TO 0.20
  • Input Impedance Rating in Ohms: 50.0
  • Voltage Standing Wave Ratio: 1.20
  • Frequency Range: 0.000 HERTZ MINIMUM AND 3.000 GIGAHERTZ MAXIMUM
  • Voltage Standing Wave Ratio Frequency Range: +0.0 TO 3.0 GIGAHERTZ
  • Coaxial Connector Series Designation: N
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-01-228-9810, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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: Active.

Technical Specifications
ParameterValue
NSN5985-01-228-9810
Primary Part NumberM3933/1-08
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
StatusACTIVE
Application DesignTRANSMISSION LINE
Attenuation Accuracy in Decibels-0.20 TO 0.20
Input Impedance Rating in Ohms50.0
Voltage Standing Wave Ratio1.20
Frequency Range0.000 HERTZ MINIMUM AND 3.000 GIGAHERTZ MAXIMUM
Voltage Standing Wave Ratio Frequency Range+0.0 TO 3.0 GIGAHERTZ
Coaxial Connector Series DesignationN
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.).
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Rf Signal Attenuation in Decibels3.0
Mounting MethodCONNECTOR
Operating Temp Range-55.0 TO 85.0 CELSIUS DEGC
Output Impedance Rating in Ohms50.0
Overall Diameter0.760 INCHES MAXIMUM IN
Power Rating2.0 WATTS AVERAGE AND 2.0 KILOWATTS PEAK
Terminal Type and Quantity2 CONNECTOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5985-01-040-4184 INTERCHANGEABLE
Attenuator,fixed
5985-01-144-2398 INTERCHANGEABLE
Attenuator,fixed
5985-01-153-9430 INTERCHANGEABLE
Attenuator,fixed
5985-01-237-7355 INTERCHANGEABLE
Attenuator,fixed
5985-01-309-3405 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
Cross-Reference Index
Part NumberManufacturer
M3933/1-08 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-A-3933/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M3933/1-08N 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
Related Parts
5985-01-040-4184INTERCHANGEABLE
ATTENUATOR,FIXED
5985-01-144-2398INTERCHANGEABLE
ATTENUATOR,FIXED
5985-01-153-9430INTERCHANGEABLE
ATTENUATOR,FIXED
5985-01-237-7355INTERCHANGEABLE
ATTENUATOR,FIXED
5985-01-309-3405INTERCHANGEABLE
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
5985-01-352-8555INTERCHANGEABLE
ATTENUATOR,FIXED
5985-01-352-8556INTERCHANGEABLE
ATTENUATOR,FIXED

Frequently Asked Questions

What is NSN 5985-01-228-9810?

NSN 5985-01-228-9810 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: active.

What are the part numbers for NSN 5985-01-228-9810?

NSN 5985-01-228-9810 has 4 cross-referenced part numbers: M3933/1-08 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-A-3933/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M3933/1-08N (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).

What NSN replaces 5985-01-228-9810?

There are 12 known substitutes for 5985-01-228-9810: 5985-01-040-4184, 5985-01-144-2398, 5985-01-153-9430 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M3933/1-08?

Key specifications for M3933/1-08: Application Design: TRANSMISSION LINE; Attenuation Accuracy in Decibels: -0.20 TO 0.20; Input Impedance Rating in Ohms: 50.0; Overall Length: 4.375 INCHES MAXIMUM IN. 17 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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