PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

278-0430-220Transformer,radio Frequency

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 5950-01-271-4804 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-271-4804 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-271-4804. Primary manufacturer part number: 278-0430-220.
Features
  • Transformer,radio Frequency — FSC 5950
  • Rating Method: WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY OUTPUT
  • Winding Function and Quantity: 1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT
  • Coil Form Type: SOLID SINGLE COMPONENT
  • Winding Conductor Size: 0.00631 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY OUTPUT IN
  • Inclosure Type: FULLY INCLOSED
  • Features Provided: TINNED WIRE LEADS
  • 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 5950-01-271-4804, 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-271-4804
Primary Part Number278-0430-220
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 PRIMARY OUTPUT
Winding Function and Quantity1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT
Coil Form TypeSOLID SINGLE COMPONENT
Winding Conductor Size0.00631 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY OUTPUT IN
Inclosure TypeFULLY INCLOSED
Features ProvidedTINNED WIRE LEADS
Body Outside Diameter0.375 INCHES MAXIMUM IN
Maximum Operating Temp125.0 CELSIUS DEGC
Turn Quantity10 SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Body Length0.285 INCHES MAXIMUM IN
Terminal Type and Quantity4 WIRE LEAD
Mounting MethodTERMINAL SINGLE GROUP
Rating MethodWINDING TURNS SINGLE COMPONENT SINGLE PRIMARY INPUT
Winding Conductor Size0.00631 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY INPUT IN
Reliability IndicatorNOT ESTABLISHED
Turn Quantity20 SINGLE COMPONENT SINGLE PRIMARY INPUT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3030-00-288-6460378 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
3040-00-450-3579SM-B-686535 INTERCHANGEABLE
Plate,retaining,shaft
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4730-00-702-6596SAE J513 4-4 010107 INTERCHANGEABLE
Coupling,tube
Sae International Dba Sae International
5930-00-803-60762052763 INTERCHANGEABLE
Switch,thermostatic
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5340-01-263-378122490 INTERCHANGEABLE
Catch,clamping
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
5330-01-265-924522490 INTERCHANGEABLE
Gasket
Caltam, Inc
6105-01-363-4727E8217 INTERCHANGEABLE
Motor,alternating Current
General Electric Co Motor Business Group
5365-01-470-5226A-385 INTERCHANGEABLE
Spacer,sleeve
Hartzell Propeller Llc
5365-01-631-9163 INTERCHANGEABLE
Spacer,straight
Cross-Reference Index
Part NumberManufacturer
1812 Prem Magnetics Inc (USA)
278-0430-220 PRIMARY Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
A-385 Communication Coil, Inc. Div - (USA)
22490 Vanguard Electronics, Llc (USA)
Related Parts
3030-00-288-6460INTERCHANGEABLE
BELT,V
378
3040-00-450-3579INTERCHANGEABLE
PLATE,RETAINING,SHAFT
SM-B-686535
4730-00-702-6596INTERCHANGEABLE
COUPLING,TUBE
SAE J513 4-4 010107
5930-00-803-6076INTERCHANGEABLE
SWITCH,THERMOSTATIC
2052763
5340-01-263-3781INTERCHANGEABLE
CATCH,CLAMPING
22490
5330-01-265-9245INTERCHANGEABLE
GASKET
22490
6105-01-363-4727INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
E8217
5365-01-470-5226INTERCHANGEABLE
SPACER,SLEEVE
A-385
5365-01-631-9163INTERCHANGEABLE
SPACER,STRAIGHT

Frequently Asked Questions

What is NSN 5950-01-271-4804?

NSN 5950-01-271-4804 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 5950-01-271-4804?

NSN 5950-01-271-4804 has 4 cross-referenced part numbers: 1812 (Prem Magnetics Inc), 278-0430-220 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), A-385 (Communication Coil, Inc. Div -), 22490 (Vanguard Electronics, Llc).

What NSN replaces 5950-01-271-4804?

There are 9 known substitutes for 5950-01-271-4804: 3030-00-288-6460, 3040-00-450-3579, 4730-00-702-6596 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 278-0430-220?

Key specifications for 278-0430-220: Rating Method: WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY OUTPUT; Winding Function and Quantity: 1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT; Coil Form Type: SOLID SINGLE COMPONENT; Winding Conductor Size: 0.00631 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY OUTPUT IN. 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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