PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

278-0444-040Transformer,radio Frequency

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 5950-01-125-6325 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-125-6325 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-125-6325. Primary manufacturer part number: 278-0444-040.
Features
  • Transformer,radio Frequency — FSC 5950
  • Hazardous Locations/environmental Protection: MOISTURE RESISTANT AND VIBRATION RESISTANT
  • Turn Quantity: 6 SINGLE COMPONENT SINGLE PRIMARY
  • Mounting Method: TERMINAL SINGLE GROUP
  • Terminal Type and Quantity: 6 PIN
  • Body Length: 0.285 INCHES MAXIMUM IN
  • Inclosure Type: FULLY INCLOSED
  • Body Outside Diameter: 0.375 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,radio Frequency, cataloged under National Stock Number 5950-01-125-6325, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-125-6325
Primary Part Number278-0444-040
Item NameTransformer,radio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerRockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
StatusACTIVE
Hazardous Locations/environmental ProtectionMOISTURE RESISTANT AND VIBRATION RESISTANT
Turn Quantity6 SINGLE COMPONENT SINGLE PRIMARY
Mounting MethodTERMINAL SINGLE GROUP
Terminal Type and Quantity6 PIN
Body Length0.285 INCHES MAXIMUM IN
Inclosure TypeFULLY INCLOSED
Body Outside Diameter0.375 INCHES MAXIMUM IN
Rating MethodWINDING TURNS SINGLE COMPONENT SINGLE SECONDARY
Features ProvidedTINNED WIRE LEADS
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Winding Conductor Size0.00795 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE SECONDARY IN
Winding Conductor Size0.00795 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY IN
Rating MethodWINDING TURNS SINGLE COMPONENT SINGLE PRIMARY
Turn Quantity6 SINGLE COMPONENT SINGLE SECONDARY
Coil Form TypeSOLID SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5935-00-258-3821491217 INTERCHANGEABLE
Connector,plug,electrical
Naval Ship Systems Command
5360-00-266-4275A663 INTERCHANGEABLE
Spring,helical,compression
Crane Co Div Valve Div
5975-00-350-8141717612-6 INTERCHANGEABLE
Mounting Base,tie Down,electrica
Nmc Group, Inc.
6810-00-975-2503 INTERCHANGEABLE
Ammonium Citrate,dibasic
6695-01-215-3662 INTERCHANGEABLE
Transducer,motional Pickup
Cross-Reference Index
Part NumberManufacturer
A-663 Communication Coil, Inc. Div - (USA)
278-0444-040 PRIMARY Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
278-0444-040 Prem Magnetics Inc (USA)
278-0444-040 Vanguard Electronics, Llc (USA)
Related Parts
5935-00-258-3821INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
491217
5360-00-266-4275INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
A663
5975-00-350-8141INTERCHANGEABLE
MOUNTING BASE,TIE DOWN,ELECTRICA
717612-6
6810-00-975-2503INTERCHANGEABLE
AMMONIUM CITRATE,DIBASIC
6695-01-215-3662INTERCHANGEABLE
TRANSDUCER,MOTIONAL PICKUP

Frequently Asked Questions

What is NSN 5950-01-125-6325?

NSN 5950-01-125-6325 is a Transformer,radio 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 5950-01-125-6325?

NSN 5950-01-125-6325 has 4 cross-referenced part numbers: A-663 (Communication Coil, Inc. Div -), 278-0444-040 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 278-0444-040 (Prem Magnetics Inc), 278-0444-040 (Vanguard Electronics, Llc).

What NSN replaces 5950-01-125-6325?

There are 5 known substitutes for 5950-01-125-6325: 5935-00-258-3821, 5360-00-266-4275, 5975-00-350-8141 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 278-0444-040?

Key specifications for 278-0444-040: Hazardous Locations/environmental Protection: MOISTURE RESISTANT AND VIBRATION RESISTANT; Turn Quantity: 6 SINGLE COMPONENT SINGLE PRIMARY; Mounting Method: TERMINAL SINGLE GROUP; Terminal Type and Quantity: 6 PIN. 16 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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