PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4772-3Attenuator,fixed

Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq · NSN 5985-00-147-9452 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-147-9452 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-147-9452. Primary manufacturer part number: 4772-3.
Features
  • Attenuator,fixed — FSC 5985
  • Attenuation Accuracy Reference Frequency: 6.0 GIGAHERTZ
  • Coaxial Connector Series Designation: SMA
  • Overall Diameter: 0.380 INCHES MAXIMUM IN
  • FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
  • Voltage Standing Wave Ratio: 1.25 AND 1.40
  • Output Impedance Rating in Ohms: 50.0
  • Mounting Method: CONNECTOR
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-00-147-9452, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-147-9452
Primary Part Number4772-3
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNarda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
StatusACTIVE
Attenuation Accuracy Reference Frequency6.0 GIGAHERTZ
Coaxial Connector Series DesignationSMA
Overall Diameter0.380 INCHES MAXIMUM IN
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Voltage Standing Wave Ratio1.25 AND 1.40
Output Impedance Rating in Ohms50.0
Mounting MethodCONNECTOR
Unpackaged Unit Weight0.500 OUNCES OZ
Attenuation Accuracy in Decibels-0.30 TO 0.30
Frequency Range0.000 HERTZ MINIMUM AND 6.000 GIGAHERTZ MAXIMUM
Power Rating2.0 WATTS AVERAGE AND 200.0 WATTS PEAK
Terminal Type and Quantity2 CONNECTOR
Input Impedance Rating in Ohms50.0
Connection Type Per FunctionFEMALE OUTPUT AND MALE INPUT
Operating Temp Range-55.0 TO 85.0 CELSIUS DEGC
Rf Signal Attenuation in Decibels3.0
Voltage Standing Wave Ratio Frequency Range+0.0 TO 4.0 GIGAHERTZ AND +4.0 TO 6.0 GIGAHERTZ
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Application DesignTRANSMISSION LINE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5340-00-091-3485TA11C44D23T INTERCHANGEABLE
Clamp,loop
Ta Aerospace Co Div Ta Aerospace
3110-00-554-5839 INTERCHANGEABLE
Bearing,ball,annular
5985-01-106-849011438800 INTERCHANGEABLE
Attenuator,fixed
Us Army Aviation and Missile Command
4730-01-324-2740 INTERCHANGEABLE
Sleeve,compression,tube-Hose Fit
3439-01-338-140846B723 INTERCHANGEABLE
Soldering Iron,electric
Jensen Tools, Inc.
Cross-Reference Index
Part NumberManufacturer
4772-3 PRIMARY Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq (USA)
180AS206 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
77C712632P003 Lockheed Martin Corporation Div Rms (USA)
49-0005 Airco Republic Electronics, Inc. Div the Aeronautical Instrument & Radio Co (USA)
Related Parts
5340-00-091-3485INTERCHANGEABLE
CLAMP,LOOP
TA11C44D23T
3110-00-554-5839INTERCHANGEABLE
BEARING,BALL,ANNULAR
5985-01-106-8490INTERCHANGEABLE
ATTENUATOR,FIXED
11438800
4730-01-324-2740INTERCHANGEABLE
SLEEVE,COMPRESSION,TUBE-HOSE FIT
3439-01-338-1408INTERCHANGEABLE
SOLDERING IRON,ELECTRIC
46B723

Frequently Asked Questions

What is NSN 5985-00-147-9452?

NSN 5985-00-147-9452 is a Attenuator,fixed, manufactured by Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-147-9452?

NSN 5985-00-147-9452 has 4 cross-referenced part numbers: 4772-3 (Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq), 180AS206 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 77C712632P003 (Lockheed Martin Corporation Div Rms), 49-0005 (Airco Republic Electronics, Inc. Div the Aeronautical Instrument & Radio Co).

What NSN replaces 5985-00-147-9452?

There are 5 known substitutes for 5985-00-147-9452: 5340-00-091-3485, 3110-00-554-5839, 5985-01-106-8490 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4772-3?

Key specifications for 4772-3: Attenuation Accuracy Reference Frequency: 6.0 GIGAHERTZ; Coaxial Connector Series Designation: SMA; Overall Diameter: 0.380 INCHES MAXIMUM IN; FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT. 20 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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