PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M3933/16-01SAttenuator,fixed

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5985-01-145-4673 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-145-4673 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-145-4673. Primary manufacturer part number: M3933/16-01S.
Features
  • Attenuator,fixed — FSC 5985
  • Rf Signal Attenuation in Decibels: 3.0
  • Voltage Standing Wave Ratio Frequency Range: +0.0 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
  • Operating Temp Range: -65.0 TO 105.0 CELSIUS DEGC
  • Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
  • Output Impedance Rating in Ohms: 50.0
  • Input Impedance Rating in Ohms: 50.0
  • Attenuation Accuracy in Decibels: -0.30 TO 0.30
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-01-145-4673, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5985-01-145-4673
Primary Part NumberM3933/16-01S
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
Rf Signal Attenuation in Decibels3.0
Voltage Standing Wave Ratio Frequency Range+0.0 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
Operating Temp Range-65.0 TO 105.0 CELSIUS DEGC
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Output Impedance Rating in Ohms50.0
Input Impedance Rating in Ohms50.0
Attenuation Accuracy in Decibels-0.30 TO 0.30
Terminal Type and Quantity2 CONNECTOR
Frequency Range0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM
Mounting MethodCONNECTOR
Voltage Standing Wave Ratio1.15 AND 1.20 AND 1.25 AND 1.35
Overall Diameter0.350 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
Test Data Document81349-MIL-DTL-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.).
Connection Type Per FunctionFEMALE INPUT AND MALE OUTPUT
Power Rating2.0 WATTS AVERAGE AND 0.5 KILOWATTS PEAK
Coaxial Connector Series DesignationSMA
Application DesignTRANSMISSION LINE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
6760-00-175-3978 INTERCHANGEABLE
Slide Copy Attchmen
5905-00-715-63640813-0006 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Keysight Technologies Inc
5340-00-837-9912DP-437-2633 INTERCHANGEABLE
Plug,protective,dust and Moistur
Heyco Inc Dba Heyco Products
6625-00-871-7542263-3 INTERCHANGEABLE
Wattmeter
Microwave Devices Inc
5935-01-022-08902633 INTERCHANGEABLE
Backshell,electrical Connector
Abb Installation Products Inc
5985-01-032-4193217-0036-010 INTERCHANGEABLE
Attenuator,fixed
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5935-01-071-72252633 INTERCHANGEABLE
Connector,plug,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5985-01-091-9614800074-1 INTERCHANGEABLE
Attenuator,fixed
Raytheon Company Dba Raytheon
5905-01-096-54672633 INTERCHANGEABLE
Resistor,fixed,wire Wound
Crown Audio, Inc. Dba Crown International
4810-01-133-7320263-3 12IN INTERCHANGEABLE
Valve,gate
Flowserve Corporation Div Flowserve Us Inc
Cross-Reference Index
Part NumberManufacturer
M3933/16-01S Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
5985PL1293703 Jednolity Indeks Materialowy - Uniform Material Index (POL)
263-3 Electronic Industries Association
4779-3.0 Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq (USA)
MIL-A-3933/16 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
610203-003 Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA)
MIL-DTL-3933/16 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2388539-1 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
Related Parts
6760-00-175-3978INTERCHANGEABLE
SLIDE COPY ATTCHMEN
5905-00-715-6364INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
0813-0006
5340-00-837-9912INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
DP-437-2633
6625-00-871-7542INTERCHANGEABLE
WATTMETER
263-3
5935-01-022-0890INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
2633
5985-01-032-4193INTERCHANGEABLE
ATTENUATOR,FIXED
217-0036-010
5935-01-071-7225INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
2633
5985-01-091-9614INTERCHANGEABLE
ATTENUATOR,FIXED
800074-1
5905-01-096-5467INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
2633
4810-01-133-7320INTERCHANGEABLE
VALVE,GATE
263-3 12IN
3020-01-269-6701INTERCHANGEABLE
PULLEY,GROOVE
2633

Frequently Asked Questions

What is NSN 5985-01-145-4673?

NSN 5985-01-145-4673 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 5985-01-145-4673?

NSN 5985-01-145-4673 has 8 cross-referenced part numbers: M3933/16-01S (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 5985PL1293703 (Jednolity Indeks Materialowy - Uniform Material Index), 263-3 (Electronic Industries Association), 4779-3.0 (Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq), MIL-A-3933/16 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 3 more.

What NSN replaces 5985-01-145-4673?

There are 11 known substitutes for 5985-01-145-4673: 6760-00-175-3978, 5905-00-715-6364, 5340-00-837-9912 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M3933/16-01S?

Key specifications for M3933/16-01S: Rf Signal Attenuation in Decibels: 3.0; Voltage Standing Wave Ratio Frequency Range: +0.0 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; Operating Temp Range: -65.0 TO 105.0 CELSIUS DEGC; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5985-01-145-4673 still in active supply?

NSN 5985-01-145-4673 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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