PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-DTL-3933/18Attenuator,fixed

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5985-01-667-6230 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-667-6230 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-667-6230. Primary manufacturer part number: MIL-DTL-3933/18.
Features
  • Attenuator,fixed — FSC 5985
  • Application Design: TRANSMISSION LINE
  • Overall Diameter: 0.84 INCHES NOMINAL IN
  • Output Impedance Rating in Ohms: 50.0
  • Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
  • Frequency Range: 12.4 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM
  • Rf Signal Attenuation in Decibels: 6.0
  • Input Impedance Rating in Ohms: 50.0
Applications
  • Applications requiring Copper Body construction
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-01-667-6230, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-667-6230
Primary Part NumberMIL-DTL-3933/18
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
Overall Diameter0.84 INCHES NOMINAL IN
Output Impedance Rating in Ohms50.0
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Frequency Range12.4 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM
Rf Signal Attenuation in Decibels6.0
Input Impedance Rating in Ohms50.0
Terminal Type and Quantity2 CONNECTOR
Mounting MethodCONNECTOR
Coaxial Connector Series DesignationN
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Power Rating5.0 WATTS PEAK
MaterialCOPPER BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5985-00-817-8431 INTERCHANGEABLE
Attenuator,fixed
5985-01-037-1727 INTERCHANGEABLE
Attenuator,fixed
5985-01-041-6605 INTERCHANGEABLE
Attenuator,fixed
5985-01-048-0174 INTERCHANGEABLE
Attenuator,fixed
5985-01-234-845810146-30 INTERCHANGEABLE
Attenuator,fixed
Spectrum Control Inc Div Weinschel
5985-01-396-8585 INTERCHANGEABLE
Attenuator,fixed
5985-01-433-9173 INTERCHANGEABLE
Attenuator,fixed
5985-01-486-1968 INTERCHANGEABLE
Attenuator,fixed
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-3933/18 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M3933/18-13N Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5985-00-817-8431INTERCHANGEABLE
ATTENUATOR,FIXED
5985-01-037-1727INTERCHANGEABLE
ATTENUATOR,FIXED
5985-01-041-6605INTERCHANGEABLE
ATTENUATOR,FIXED
5985-01-048-0174INTERCHANGEABLE
ATTENUATOR,FIXED
5985-01-234-8458INTERCHANGEABLE
ATTENUATOR,FIXED
10146-30
5985-01-396-8585INTERCHANGEABLE
ATTENUATOR,FIXED
5985-01-433-9173INTERCHANGEABLE
ATTENUATOR,FIXED
5985-01-486-1968INTERCHANGEABLE
ATTENUATOR,FIXED

Frequently Asked Questions

What is NSN 5985-01-667-6230?

NSN 5985-01-667-6230 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 5985-01-667-6230?

NSN 5985-01-667-6230 has 2 cross-referenced part numbers: MIL-DTL-3933/18 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M3933/18-13N (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5985-01-667-6230?

There are 8 known substitutes for 5985-01-667-6230: 5985-00-817-8431, 5985-01-037-1727, 5985-01-041-6605 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-DTL-3933/18?

Key specifications for MIL-DTL-3933/18: Application Design: TRANSMISSION LINE; Overall Diameter: 0.84 INCHES NOMINAL IN; Output Impedance Rating in Ohms: 50.0; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE. 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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