PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

278-1803-000Transformer,audio Frequency

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 5950-00-907-7574 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-907-7574 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-907-7574. Primary manufacturer part number: 278-1803-000.
Features
  • Transformer,audio Frequency — FSC 5950
  • Primary to Secondary Turn Ratio: 1 TO 1 SINGLE COMPONENT
  • Inclosure Type: FULLY INCLOSED
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Terminal Type and Quantity: 5 WIRE LEAD
  • Impedance Rating in Ohms: 50.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Impedance Rating in Ohms: 50.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Body Outside Diameter: 0.465 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-907-7574, 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 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 11 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-907-7574
Primary Part Number278-1803-000
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerRockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
StatusACTIVE
Primary to Secondary Turn Ratio1 TO 1 SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Terminal Type and Quantity5 WIRE LEAD
Impedance Rating in Ohms50.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Impedance Rating in Ohms50.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Outside Diameter0.465 INCHES MAXIMUM IN
Body Length0.780 INCHES MAXIMUM IN
Reliability IndicatorNOT ESTABLISHED
Frequency Rating360.0 HERTZ MINIMUM AND 66.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Mounting MethodTERMINAL SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5315-00-491-136601-406 INTERCHANGEABLE
Pin,grooved,headless
Secs Inc
4730-00-494-3271 INTERCHANGEABLE
Coupling Half,quick Disconnect
Cross-Reference Index
Part NumberManufacturer
278-1803-000 PRIMARY Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
278-1803-000 Hisonic, Llc (USA)
01-406 Vernitron Corp Aie Magnetics Div (USA)
Related Parts
5315-00-491-1366INTERCHANGEABLE
PIN,GROOVED,HEADLESS
01-406
4730-00-494-3271INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT

Frequently Asked Questions

What is NSN 5950-00-907-7574?

NSN 5950-00-907-7574 is a Transformer,audio Frequency, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-907-7574?

NSN 5950-00-907-7574 has 3 cross-referenced part numbers: 278-1803-000 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 278-1803-000 (Hisonic, Llc), 01-406 (Vernitron Corp Aie Magnetics Div).

What NSN replaces 5950-00-907-7574?

There are 2 known substitutes for 5950-00-907-7574: 5315-00-491-1366, 4730-00-494-3271. Verify interchangeability with system specifications before substitution.

What are the specifications of 278-1803-000?

Key specifications for 278-1803-000: Primary to Secondary Turn Ratio: 1 TO 1 SINGLE COMPONENT; Inclosure Type: FULLY INCLOSED; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Terminal Type and Quantity: 5 WIRE LEAD. 11 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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