PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

X37401Transformer,audio Frequency

L3harris Technologies, Inc. Div Space and Airborne Systems · NSN 5950-00-043-0421 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-043-0421 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-043-0421. Primary manufacturer part number: X37401.
Features
  • Transformer,audio Frequency — FSC 5950
  • Impedance Rating in Ohms: 5000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Mounting Method: TERMINAL SINGLE GROUP
  • Impedance Rating in Ohms: 75.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Terminal Type and Quantity: 4 WIRE LEAD
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Body Outside Diameter: 0.500 INCHES NOMINAL IN
  • Maximum Transformer Power Rating: 11.75 DECIBELS SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-043-0421, 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 L3harris Technologies, Inc. Div Space and Airborne Systems. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-043-0421
Primary Part NumberX37401
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerL3harris Technologies, Inc. Div Space and Airborne Systems
StatusACTIVE
Impedance Rating in Ohms5000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Mounting MethodTERMINAL SINGLE GROUP
Impedance Rating in Ohms75.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Terminal Type and Quantity4 WIRE LEAD
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Outside Diameter0.500 INCHES NOMINAL IN
Maximum Transformer Power Rating11.75 DECIBELS SINGLE COMPONENT
Inclosure TypeHERMETICALLY SEALED
Frequency Rating300.0 HERTZ MINIMUM AND 10.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Body Length0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5305-01-671-3132200063143 INTERCHANGEABLE
Screw,cap,socket Head
General Dynamics Land Systems Inc. Div Gdls Global Llc
6110-01-721-836739658 INTERCHANGEABLE
Regulator,voltage
The Baker Company, Inc.
Cross-Reference Index
Part NumberManufacturer
39658 Freed Transformer Co (USA)
X37401 PRIMARY L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
Related Parts
5305-01-671-3132INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
200063143
6110-01-721-8367INTERCHANGEABLE
REGULATOR,VOLTAGE
39658

Frequently Asked Questions

What is NSN 5950-00-043-0421?

NSN 5950-00-043-0421 is a Transformer,audio Frequency, manufactured by L3harris Technologies, Inc. Div Space and Airborne Systems, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-043-0421?

NSN 5950-00-043-0421 has 2 cross-referenced part numbers: 39658 (Freed Transformer Co), X37401 (L3harris Technologies, Inc. Div Space and Airborne Systems).

What NSN replaces 5950-00-043-0421?

There are 2 known substitutes for 5950-00-043-0421: 5305-01-671-3132, 6110-01-721-8367. Verify interchangeability with system specifications before substitution.

What are the specifications of X37401?

Key specifications for X37401: Impedance Rating in Ohms: 5000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY; Mounting Method: TERMINAL SINGLE GROUP; Impedance Rating in Ohms: 75.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Terminal Type and Quantity: 4 WIRE LEAD. 11 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