PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M3933/25-15NAttenuator,fixed

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5985-01-406-7253 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-406-7253 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-406-7253. Primary manufacturer part number: M3933/25-15N.
Features
  • Attenuator,fixed — FSC 5985
  • Output Impedance Rating in Ohms: 50.0
  • Power Rating: 2.0 WATTS AVERAGE AND 500.0 WATTS PEAK
  • Voltage Standing Wave Ratio: 1.15
  • Rf Signal Attenuation in Decibels: 15.0
  • Frequency Range: 0.000 GIGAHERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM
  • Input Impedance Rating in Ohms: 50.0
  • Body Style: RECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACES
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-01-406-7253, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN5985-01-406-7253
Primary Part NumberM3933/25-15N
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
Output Impedance Rating in Ohms50.0
Power Rating2.0 WATTS AVERAGE AND 500.0 WATTS PEAK
Voltage Standing Wave Ratio1.15
Rf Signal Attenuation in Decibels15.0
Frequency Range0.000 GIGAHERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM
Input Impedance Rating in Ohms50.0
Body StyleRECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACES
Application DesignTRANSMISSION LINE
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Lifecycle & Compliance
Acquisition StatusACTIVE
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
5985-01-352-8555 INTERCHANGEABLE
Attenuator,fixed
Cross-Reference Index
Part NumberManufacturer
M3933/25-15N 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
MIL-DTL-3933/25 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
5985-01-352-8555INTERCHANGEABLE
ATTENUATOR,FIXED
5985-01-352-8556INTERCHANGEABLE
ATTENUATOR,FIXED
5985-01-353-1527INTERCHANGEABLE
ATTENUATOR,FIXED

Frequently Asked Questions

What is NSN 5985-01-406-7253?

NSN 5985-01-406-7253 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 5985-01-406-7253?

NSN 5985-01-406-7253 has 3 cross-referenced part numbers: M3933/25-15N (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), MIL-DTL-3933/25 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5985-01-406-7253?

There are 12 known substitutes for 5985-01-406-7253: 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 M3933/25-15N?

Key specifications for M3933/25-15N: Output Impedance Rating in Ohms: 50.0; Overall Height: 0.317 INCHES MAXIMUM IN; Power Rating: 2.0 WATTS AVERAGE AND 500.0 WATTS PEAK; Voltage Standing Wave Ratio: 1.15. 11 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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