PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4778-3DBAttenuator,fixed

Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq · NSN 5985-00-152-7923 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-152-7923 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-152-7923. Primary manufacturer part number: 4778-3DB.
Features
  • Attenuator,fixed — FSC 5985
  • Material: STEEL CORROSION RESISTING TERMINAL
  • FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
  • Surface Treatment: PASSIVATE TERMINAL
  • Surface Treatment: PASSIVATE BODY
  • Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
  • Output Impedance Rating in Ohms: 50.0
  • Coaxial Connector Series Designation: SMA
Applications
  • Applications requiring Steel Corrosion Resisting Terminal construction
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-00-152-7923, 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 Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 31 commercial cross-references from 18 manufacturers, 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
NSN5985-00-152-7923
Primary Part Number4778-3DB
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNarda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
StatusCANCELLED
MaterialSTEEL CORROSION RESISTING TERMINAL
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Surface TreatmentPASSIVATE TERMINAL
Surface TreatmentPASSIVATE BODY
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Output Impedance Rating in Ohms50.0
Coaxial Connector Series DesignationSMA
Connection Type Per FunctionFEMALE OUTPUT AND MALE INPUT
Overall Diameter0.380 INCHES MAXIMUM IN
Voltage Standing Wave Ratio1.15 AND 1.25
Voltage Standing Wave Ratio Frequency Range+0.0 TO 4.0 GIGAHERTZ AND +4.0 TO 12.4 GIGAHERTZ
Mounting MethodCONNECTOR
Input Impedance Rating in Ohms50.0
Frequency Range0.000 HERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM
Attenuation Accuracy Reference Frequency12.4 GIGAHERTZ
Operating Temp Range+0.0 TO 65.0 CELSIUS DEGC
Attenuation Accuracy in Decibels-0.30 TO 0.30
Unpackaged Unit Weight0.700 OUNCES OZ
Terminal Type and Quantity2 CONNECTOR
Rf Signal Attenuation in Decibels3.0
Power Rating2.0 WATTS AVERAGE AND 200.0 WATTS PEAK
Application DesignTRANSMISSION LINE
MaterialSTEEL CORROSION RESISTING BODY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5130-00-018-5851 INTERCHANGEABLE
Bit,wire Wrapping Tool
5985-00-032-3619712492-21 INTERCHANGEABLE
Attenuator,fixed
Raytheon Company Div Rmd Strategic
3431-00-102-2318PRS45V44 INTERCHANGEABLE
Collet Body,welding Torch
Linde Gas & Equipment Inc. Dba Linde Gas & Equipment
5975-00-177-6408TC724A INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
5935-00-227-89951431373 INTERCHANGEABLE
Connector,receptacle,electrical
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6130-00-233-7622 INTERCHANGEABLE
Rectifier,metallic
6625-00-247-44613B3 INTERCHANGEABLE
Plug-in Unit,electrical-Electron
Tektronix, Inc.
5985-00-313-31452-050-3 INTERCHANGEABLE
Line Section,radio Frequency Tra
Myat, Inc. Dba Myat Inc
4730-00-375-4870 INTERCHANGEABLE
Strainer Element,sediment
2815-00-437-69383B3 INTERCHANGEABLE
Connecting Rod,piston
Neac Compressor Service Usa Inc
Cross-Reference Index
Part NumberManufacturer
3-3 Spectrum Control Inc Div Weinschel (USA)
205-03 Cinch Connectivity Solutions Inc (USA)
4778-3DB PRIMARY Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq (USA)
1214923-203 Lockheed Martin Corporation Div Rms (USA)
3B-3 Spectrum Control Inc Div Weinschel (USA)
4778-3 Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq (USA)
3923BK3-1 Leonardo Uk Ltd (GBR)
533115-1 Raytheon Company Dba Raytheon (USA)
247ASC1834-001 PRIMARY Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
4778-3.0 PRIMARY Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq (USA)
ATT-0205-03-SMA-02 Cinch Connectivity Solutions Inc (USA)
365020-3 L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA)
1755-3 Peraton Inc (USA)
V00154-001 Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA)
1755-3 Telephonics Corp/prd Instruments (USA)
11728790-1 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
20-808500-16 General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems (USA)
3M3DB Kontron Europe Gmbh (DEU)
A621CS Caes Systems Llc (USA)
1214923-203 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
Related Parts
5130-00-018-5851INTERCHANGEABLE
BIT,WIRE WRAPPING TOOL
5985-00-032-3619INTERCHANGEABLE
ATTENUATOR,FIXED
712492-21
3431-00-102-2318INTERCHANGEABLE
COLLET BODY,WELDING TORCH
PRS45V44
5975-00-177-6408INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
TC724A
5935-00-227-8995INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
1431373
6130-00-233-7622INTERCHANGEABLE
RECTIFIER,METALLIC
6625-00-247-4461INTERCHANGEABLE
PLUG-IN UNIT,ELECTRICAL-ELECTRON
3B3
5985-00-313-3145INTERCHANGEABLE
LINE SECTION,RADIO FREQUENCY TRA
2-050-3
4730-00-375-4870INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
2815-00-437-6938INTERCHANGEABLE
CONNECTING ROD,PISTON
3B3
5935-00-577-0242INTERCHANGEABLE
JACK,TIP
206-103
3120-00-737-1225INTERCHANGEABLE
BEARING HALF,SLEEVE
638731

Frequently Asked Questions

What is NSN 5985-00-152-7923?

NSN 5985-00-152-7923 is a Attenuator,fixed, manufactured by Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq, classified under FSC 5985 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5985-00-152-7923?

NSN 5985-00-152-7923 has 31 cross-referenced part numbers: 3-3 (Spectrum Control Inc Div Weinschel), 205-03 (Cinch Connectivity Solutions Inc), 4778-3DB (Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq), 1214923-203 (Lockheed Martin Corporation Div Rms), 3B-3 (Spectrum Control Inc Div Weinschel) and 26 more.

What NSN replaces 5985-00-152-7923?

There are 12 known substitutes for 5985-00-152-7923: 5130-00-018-5851, 5985-00-032-3619, 3431-00-102-2318 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4778-3DB?

Key specifications for 4778-3DB: Material: STEEL CORROSION RESISTING TERMINAL; FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Surface Treatment: PASSIVATE TERMINAL; Surface Treatment: PASSIVATE BODY. 24 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5985-00-152-7923 still in active supply?

NSN 5985-00-152-7923 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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