PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4782-4Attenuator,fixed

Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq · NSN 5985-01-340-6309 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-340-6309 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-340-6309. Primary manufacturer part number: 4782-4.
Features
  • Attenuator,fixed — FSC 5985
  • Specification/standard Data: 14482-632675 MANUFACTURERS SOURCE CONTROL
  • Overall Diameter: 0.400 INCHES MAXIMUM IN
  • Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
  • Rf Signal Attenuation in Decibels: 4.0
  • Mounting Method: CONNECTOR
  • Input Impedance Rating in Ohms: 50.0
  • Coaxial Connector Series Designation: SMA
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-01-340-6309, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, 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
NSN5985-01-340-6309
Primary Part Number4782-4
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNarda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
StatusACTIVE
Specification/standard Data14482-632675 MANUFACTURERS SOURCE CONTROL
Overall Diameter0.400 INCHES MAXIMUM IN
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Rf Signal Attenuation in Decibels4.0
Mounting MethodCONNECTOR
Input Impedance Rating in Ohms50.0
Coaxial Connector Series DesignationSMA
Output Impedance Rating in Ohms50.0
Frequency Range0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM
Attenuation Accuracy in Decibels-0.75 TO 0.75
Connection Type Per FunctionFEMALE INPUT AND MALE OUTPUT
Terminal Type and Quantity2 CONNECTOR
MaterialCOPPER ALLOY BODY
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIP.
Application DesignTRANSMISSION LINE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1620-00-024-6345 INTERCHANGEABLE
Plug,check Valve Steering
5999-00-197-22883420A INTERCHANGEABLE
Heat Sink,electrical-Electronic
Cts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components
7810-00-241-3357 INTERCHANGEABLE
Swivel,striking Bag
5310-00-582-5676MS15795-209 INTERCHANGEABLE
Washer,flat
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4320-00-773-75949508 INTERCHANGEABLE
Impeller,pump,centrifugal
Coffin Turbo Pump Inc
5905-00-782-831193J5K6 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
2530-00-797-929511480 INTERCHANGEABLE
Air Filter,brake Li
Haldex Brake Products Corporation
4720-00-809-05960BW147-4 INTERCHANGEABLE
Hose,air Duct
Flexfab Llc
5930-00-828-7849 INTERCHANGEABLE
Switch,push
5120-00-875-666247824 INTERCHANGEABLE
Die,crimping Tool
Te Connectivity Corporation
Cross-Reference Index
Part NumberManufacturer
4782-4 PRIMARY Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq (USA)
632675-024 Watkins-Johnson Co (USA)
2082-6142-04 Cobham Advanced Electronic Solutions Inc. (USA)
632675-024 14482 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
632675-024 PRIMARY Itt Cannon Rf Products (USA)
444-4 PRIMARY Cinch Connectivity Solutions Inc (USA)
Related Parts
1620-00-024-6345INTERCHANGEABLE
PLUG,CHECK VALVE STEERING
5999-00-197-2288INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
3420A
7810-00-241-3357INTERCHANGEABLE
SWIVEL,STRIKING BAG
5310-00-582-5676INTERCHANGEABLE
WASHER,FLAT
MS15795-209
4320-00-773-7594INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
9508
5905-00-782-8311INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
93J5K6
2530-00-797-9295INTERCHANGEABLE
AIR FILTER,BRAKE LI
11480
4720-00-809-0596INTERCHANGEABLE
HOSE,AIR DUCT
0BW147-4
5930-00-828-7849INTERCHANGEABLE
SWITCH,PUSH
5120-00-875-6662INTERCHANGEABLE
DIE,CRIMPING TOOL
47824
5996-00-957-7923INTERCHANGEABLE
AMPLIFIER,RADIO FREQUENCY
4444
5305-01-064-6260INTERCHANGEABLE
SCREW,SHOULDER
411200-81

Frequently Asked Questions

What is NSN 5985-01-340-6309?

NSN 5985-01-340-6309 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 5985-01-340-6309?

NSN 5985-01-340-6309 has 6 cross-referenced part numbers: 4782-4 (Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq), 632675-024 (Watkins-Johnson Co), 2082-6142-04 (Cobham Advanced Electronic Solutions Inc.), 632675-024 14482 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), 632675-024 (Itt Cannon Rf Products) and 1 more.

What NSN replaces 5985-01-340-6309?

There are 12 known substitutes for 5985-01-340-6309: 1620-00-024-6345, 5999-00-197-2288, 7810-00-241-3357 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4782-4?

Key specifications for 4782-4: Specification/standard Data: 14482-632675 MANUFACTURERS SOURCE CONTROL; Overall Diameter: 0.400 INCHES MAXIMUM IN; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Overall Length: 1.040 INCHES MAXIMUM IN. 16 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com