PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

278-0444-100Transformer,radio Frequency

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 5950-01-126-2899 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-126-2899 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-126-2899. Primary manufacturer part number: 278-0444-100.
Features
  • Transformer,radio Frequency — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Body Length: 0.285 INCHES MAXIMUM IN
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Winding Conductor Size: 0.00795 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY IN
  • Maximum Operating Temp: 125.0 CELSIUS DEGC
  • Turn Quantity: 7 SINGLE COMPONENT SINGLE SECONDARY
  • Terminal Type and Quantity: 4 WIRE LEAD
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,radio Frequency, cataloged under National Stock Number 5950-01-126-2899, 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 15 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-126-2899
Primary Part Number278-0444-100
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
Reliability IndicatorNOT ESTABLISHED
Body Length0.285 INCHES MAXIMUM IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Winding Conductor Size0.00795 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY IN
Maximum Operating Temp125.0 CELSIUS DEGC
Turn Quantity7 SINGLE COMPONENT SINGLE SECONDARY
Terminal Type and Quantity4 WIRE LEAD
Rating MethodWINDING TURNS SINGLE COMPONENT SINGLE SECONDARY
Rating MethodWINDING TURNS SINGLE COMPONENT SINGLE PRIMARY
Coil Form TypeSOLID SINGLE COMPONENT
Inclosure TypeOPEN
Winding Conductor Size0.00795 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE SECONDARY IN
Body Outside Diameter0.375 INCHES MAXIMUM IN
Turn Quantity14 SINGLE COMPONENT SINGLE PRIMARY
Mounting MethodTERMINAL SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4730-00-176-9722 INTERCHANGEABLE
Adapter,straight,tube to Hose
5365-00-986-0512 INTERCHANGEABLE
Ring,spacer,filter
4320-01-199-5842A732 INTERCHANGEABLE
Impeller,pump,centrifugal
Circor Naval Solutions Llc Dba Warren Pumps
4820-01-370-02098949 INTERCHANGEABLE
Body,valve
Eaton Corporation Div Eaton Fluid Power
Cross-Reference Index
Part NumberManufacturer
278-0444-100 Vanguard Electronics, Llc (USA)
A-732 Communication Coil, Inc. Div - (USA)
278-0444-100 Prem Magnetics Inc (USA)
278-0444-100 PRIMARY Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
Related Parts
4730-00-176-9722INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
5365-00-986-0512INTERCHANGEABLE
RING,SPACER,FILTER
4320-01-199-5842INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
A732
4820-01-370-0209INTERCHANGEABLE
BODY,VALVE
8949

Frequently Asked Questions

What is NSN 5950-01-126-2899?

NSN 5950-01-126-2899 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 5950-01-126-2899?

NSN 5950-01-126-2899 has 4 cross-referenced part numbers: 278-0444-100 (Vanguard Electronics, Llc), A-732 (Communication Coil, Inc. Div -), 278-0444-100 (Prem Magnetics Inc), 278-0444-100 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).

What NSN replaces 5950-01-126-2899?

There are 4 known substitutes for 5950-01-126-2899: 4730-00-176-9722, 5365-00-986-0512, 4320-01-199-5842 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 278-0444-100?

Key specifications for 278-0444-100: Reliability Indicator: NOT ESTABLISHED; Body Length: 0.285 INCHES MAXIMUM IN; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Winding Conductor Size: 0.00795 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY 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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