PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

J4491Coil,radio Frequency

Nytronics Inc · NSN 5950-01-104-3442 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-104-3442 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-104-3442. Primary manufacturer part number: J4491.
Features
  • Coil,radio Frequency — FSC 5950
  • Winding Conductor Size: 0.02010 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN
  • Rating Method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING
  • Mounting Method: TERMINAL SINGLE GROUP
  • Inclosure Type: FULLY INCLOSED
  • Core Construction: S0LID SINGLE COMPONENT
  • Coil Form Type: SOLID SINGLE COMPONENT
  • Winding Operating Current: 76.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coil,radio Frequency, cataloged under National Stock Number 5950-01-104-3442, is classified within Federal Supply Class 5950 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Nytronics Inc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-01-104-3442
Primary Part NumberJ4491
Item NameCoil,radio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNytronics Inc
StatusCANCELLED
Winding Conductor Size0.02010 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Mounting MethodTERMINAL SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Core ConstructionS0LID SINGLE COMPONENT
Coil Form TypeSOLID SINGLE COMPONENT
Winding Operating Current76.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Terminal Type and Quantity2 WIRE LEAD
Specification/standard Data96906-MS21401 GOVERNMENT STANDARD
Body Length0.335 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Test Data Document81349-MIL-C-15305 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.).
DC Resistance Rating in Ohms13.500 SINGLE COMPONENT SINGLE WINDING
Overall Diameter0.136 INCHES MAXIMUM IN
Quality Factor57 MINIMUM SINGLE COMPONENT SINGLE WINDING
Maximum Operating Temp105.0 CELSIUS DEGC
Features ProvidedTINNED WIRE LEADS
Inductance Rating470.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
3455-00-224-8924 INTERCHANGEABLE
File,rotary
4130-00-675-2293 INTERCHANGEABLE
Brake Lever
3120-00-678-8274 INTERCHANGEABLE
Bearing,sleeve
5950-01-078-6497989113-32B INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
5998-01-110-6390101-321 INTERCHANGEABLE
Printed Circuit Board
Dranetz Technologies Inc
5905-01-194-1474101-321 INTERCHANGEABLE
Resistor,fixed,film
Panametrics Llc
5905-01-259-0177101-321 INTERCHANGEABLE
Resistor Network,fixed,wire Woun
Vishay Thin Film Llc Div Vishay Thin Film
8140-01-284-0317101321 INTERCHANGEABLE
Pad,cushioning
Prc Composites, Llc Dba Globe Plastics
2040-01-408-90395105291 REV D ITEM NO. 2 INTERCHANGEABLE
Bow,strap
Naval Sea Systems Command
5836-01-549-5815101311 INTERCHANGEABLE
Camera-Recording,video
Viosport.com Inc Dba Viosport
Cross-Reference Index
Part NumberManufacturer
J4491 Nytronics Inc (USA)
MIL-C-15305 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
101321 Systron-Donner Corp Microwave/instrument Div (USA)
7633036P45 Lockheed Martin Corp Naval Electronics & Surveillance Systems (USA)
MIL-PRF-15305 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS21401-19 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
LT10K501 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
7633036-45 Lockheed Martin Corp Naval Electronics & Surveillance Systems (USA)
WEE-WEE-470 Struthers-Dunn Inc. (USA)
Related Parts
3455-00-224-8924INTERCHANGEABLE
FILE,ROTARY
4130-00-675-2293INTERCHANGEABLE
BRAKE LEVER
3120-00-678-8274INTERCHANGEABLE
BEARING,SLEEVE
5950-01-078-6497INTERCHANGEABLE
COIL,RADIO FREQUENCY
989113-32B
5998-01-110-6390INTERCHANGEABLE
PRINTED CIRCUIT BOARD
101-321
5905-01-194-1474INTERCHANGEABLE
RESISTOR,FIXED,FILM
101-321
5905-01-259-0177INTERCHANGEABLE
RESISTOR NETWORK,FIXED,WIRE WOUN
101-321
8140-01-284-0317INTERCHANGEABLE
PAD,CUSHIONING
101321
2040-01-408-9039INTERCHANGEABLE
BOW,STRAP
5105291 REV D ITEM NO. 2
5836-01-549-5815INTERCHANGEABLE
CAMERA-RECORDING,VIDEO
101311

Frequently Asked Questions

What is NSN 5950-01-104-3442?

NSN 5950-01-104-3442 is a Coil,radio Frequency, manufactured by Nytronics Inc, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-01-104-3442?

NSN 5950-01-104-3442 has 9 cross-referenced part numbers: J4491 (Nytronics Inc), MIL-C-15305 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 101321 (Systron-Donner Corp Microwave/instrument Div), 7633036P45 (Lockheed Martin Corp Naval Electronics & Surveillance Systems), MIL-PRF-15305 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 4 more.

What NSN replaces 5950-01-104-3442?

There are 10 known substitutes for 5950-01-104-3442: 3455-00-224-8924, 4130-00-675-2293, 3120-00-678-8274 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of J4491?

Key specifications for J4491: Winding Conductor Size: 0.02010 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN; Rating Method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING; Mounting Method: TERMINAL SINGLE GROUP; Inclosure Type: FULLY INCLOSED. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-01-104-3442 still in active supply?

NSN 5950-01-104-3442 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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