PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

342C989H01Transformer,radio Frequency

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 5950-00-838-1941 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-838-1941 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-838-1941. Primary manufacturer part number: 342C989H01.
Features
  • Transformer,radio Frequency — FSC 5950
  • Mounting Facility Quantity: 1 SINGLE GROUP
  • Turn Quantity: 3 SINGLE COMPONENT FIRST SECONDARY
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Reliability Indicator: NOT ESTABLISHED
  • Body Outside Diameter: 0.880 INCHES MAXIMUM IN
  • Turn Quantity: 4 SINGLE COMPONENT SINGLE PRIMARY
  • Turn Quantity: 3 SINGLE COMPONENT SECOND SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,radio Frequency, cataloged under National Stock Number 5950-00-838-1941, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-838-1941
Primary Part Number342C989H01
Item NameTransformer,radio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusACTIVE
Mounting Facility Quantity1 SINGLE GROUP
Turn Quantity3 SINGLE COMPONENT FIRST SECONDARY
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Body Outside Diameter0.880 INCHES MAXIMUM IN
Turn Quantity4 SINGLE COMPONENT SINGLE PRIMARY
Turn Quantity3 SINGLE COMPONENT SECOND SECONDARY
Body Length1.100 INCHES NOMINAL IN
Frequency Rating1.0 MEGAHERTZ MINIMUM AND 40.0 MEGAHERTZ MAXIMUM SINGLE COMPONENT
Terminal Type and Quantity6 TURRET
Nominal Thread Size0.112 INCHES SINGLE GROUP IN
Maximum Operating Temp85.0 CELSIUS DEGC
Inclosure TypeFULLY INCLOSED
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Thread Quantity Per Inch40 SINGLE GROUP
Coil Form TypeSOLID SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5905-00-935-8541 INTERCHANGEABLE
Resistor,fixed,composition
Cross-Reference Index
Part NumberManufacturer
RCR20G301JS Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
342C989H01 Westinghouse Electric Corp (USA)
342C989H01 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
5905-00-935-8541INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION

Frequently Asked Questions

What is NSN 5950-00-838-1941?

NSN 5950-00-838-1941 is a Transformer,radio Frequency, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-838-1941?

NSN 5950-00-838-1941 has 3 cross-referenced part numbers: RCR20G301JS (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 342C989H01 (Westinghouse Electric Corp), 342C989H01 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 5950-00-838-1941?

There is 1 known substitute for 5950-00-838-1941: 5905-00-935-8541. Verify interchangeability with system specifications before substitution.

What are the specifications of 342C989H01?

Key specifications for 342C989H01: Mounting Facility Quantity: 1 SINGLE GROUP; Turn Quantity: 3 SINGLE COMPONENT FIRST SECONDARY; Mounting Method: THREADED STUD(S) SINGLE GROUP; Overall Length: 1.480 INCHES NOMINAL IN. 18 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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