PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

278-0439-010Transformer,radio Frequency

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 5950-01-270-9568 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-270-9568 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-270-9568. Primary manufacturer part number: 278-0439-010.
Features
  • Transformer,radio Frequency — FSC 5950
  • Rating Method: WINDING TURNS SINGLE COMPONENT SINGLE SECONDARY
  • Terminal Type and Quantity: 5 WIRE LEAD
  • Rating Method: WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY
  • Turn Quantity: 3 SINGLE COMPONENT SINGLE PRIMARY
  • Winding Conductor Size: 0.02010 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY IN
  • Turn Quantity: 1 SINGLE COMPONENT SINGLE SECONDARY
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,radio Frequency, cataloged under National Stock Number 5950-01-270-9568, 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 12 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-270-9568
Primary Part Number278-0439-010
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
Rating MethodWINDING TURNS SINGLE COMPONENT SINGLE SECONDARY
Terminal Type and Quantity5 WIRE LEAD
Rating MethodWINDING TURNS SINGLE COMPONENT SINGLE PRIMARY
Turn Quantity3 SINGLE COMPONENT SINGLE PRIMARY
Winding Conductor Size0.02010 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY IN
Turn Quantity1 SINGLE COMPONENT SINGLE SECONDARY
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Coil Form TypeHOLLOW SINGLE COMPONENT
Inclosure TypeOPEN
Mounting MethodTERMINAL SINGLE GROUP
Winding Conductor Size0.03196 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE SECONDARY IN
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4730-00-222-1857A-416 INTERCHANGEABLE
Seal Bonnet,tube
Mueller Brass Co.
5950-00-387-0392 INTERCHANGEABLE
Coil,radio Frequency
3120-00-451-218984034 INTERCHANGEABLE
Bearing Blank,sleeve
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
6505-00-939-6761A416 INTERCHANGEABLE
Isopropyl Alcohol
Fisher Scientific Co
6810-01-019-4699 INTERCHANGEABLE
Isopropyl Alcohol
5315-01-185-3420212662 INTERCHANGEABLE
Pin,straight,headless
Eye Communication Systems Inc Eye Communicaiton Systems Inc Div Dba Eye Com Systems
5310-01-352-1143 INTERCHANGEABLE
Washer,seal
6105-01-367-9668EM4404T INTERCHANGEABLE
Motor,alternating Current
Abb Motors & Mechanical Inc Div Abb Motors and Mechanical Inc.
5905-01-500-8935A-416 INTERCHANGEABLE
Resistor,thermal
Taylor Made Environmental
Cross-Reference Index
Part NumberManufacturer
278-0439-010 Prem Magnetics Inc (USA)
A-416 Communication Coil, Inc. Div - (USA)
278-0439-010 PRIMARY Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
278-0439-010 National Magnetics Group, Inc. Dba Ceramic Magnetics Div Ceramic Magnetics, Inc. (USA)
Related Parts
4730-00-222-1857INTERCHANGEABLE
SEAL BONNET,TUBE
A-416
5950-00-387-0392INTERCHANGEABLE
COIL,RADIO FREQUENCY
3120-00-451-2189INTERCHANGEABLE
BEARING BLANK,SLEEVE
84034
6505-00-939-6761INTERCHANGEABLE
ISOPROPYL ALCOHOL
A416
6810-01-019-4699INTERCHANGEABLE
ISOPROPYL ALCOHOL
5315-01-185-3420INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
212662
5310-01-352-1143INTERCHANGEABLE
WASHER,SEAL
6105-01-367-9668INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
EM4404T
5905-01-500-8935INTERCHANGEABLE
RESISTOR,THERMAL
A-416

Frequently Asked Questions

What is NSN 5950-01-270-9568?

NSN 5950-01-270-9568 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 5950-01-270-9568?

NSN 5950-01-270-9568 has 4 cross-referenced part numbers: 278-0439-010 (Prem Magnetics Inc), A-416 (Communication Coil, Inc. Div -), 278-0439-010 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 278-0439-010 (National Magnetics Group, Inc. Dba Ceramic Magnetics Div Ceramic Magnetics, Inc.).

What NSN replaces 5950-01-270-9568?

There are 9 known substitutes for 5950-01-270-9568: 4730-00-222-1857, 5950-00-387-0392, 3120-00-451-2189 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 278-0439-010?

Key specifications for 278-0439-010: Rating Method: WINDING TURNS SINGLE COMPONENT SINGLE SECONDARY; Terminal Type and Quantity: 5 WIRE LEAD; Rating Method: WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY; Turn Quantity: 3 SINGLE COMPONENT SINGLE PRIMARY. 13 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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