PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

278-0444-030Transformer,radio Frequency

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 5950-01-126-2900 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-126-2900 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-126-2900. Primary manufacturer part number: 278-0444-030.
Features
  • Transformer,radio Frequency — FSC 5950
  • Hazardous Locations/environmental Protection: MOISTURE RESISTANT AND VIBRATION RESISTANT
  • Rating Method: WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY
  • Turn Quantity: 5 SINGLE COMPONENT SINGLE PRIMARY
  • Winding Conductor Size: 0.00795 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE SECONDARY IN
  • Winding Conductor Size: 0.00795 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY IN
  • Mounting Method: TERMINAL SINGLE GROUP
  • Turn Quantity: 5 SINGLE COMPONENT SINGLE SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,radio Frequency, cataloged under National Stock Number 5950-01-126-2900, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-126-2900
Primary Part Number278-0444-030
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
Rating MethodWINDING TURNS SINGLE COMPONENT SINGLE PRIMARY
Turn Quantity5 SINGLE COMPONENT SINGLE PRIMARY
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
Mounting MethodTERMINAL SINGLE GROUP
Turn Quantity5 SINGLE COMPONENT SINGLE SECONDARY
Terminal Type and Quantity4 PIN
Reliability IndicatorNOT ESTABLISHED
Body Length0.285 INCHES MAXIMUM IN
Body Outside Diameter0.375 INCHES MAXIMUM IN
Coil Form TypeSOLID SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Features ProvidedTINNED WIRE LEADS
Rating MethodWINDING TURNS SINGLE COMPONENT SINGLE SECONDARY
Inclosure TypeFULLY INCLOSED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3030-00-180-2091A66-2 INTERCHANGEABLE
Belts,v,matched Set
Carlisle Power Transmission Products Inc
4730-00-670-6016SAE J514-3 12-12 140339Q INTERCHANGEABLE
Elbow,pipe
Sae International Dba Sae International
5340-00-703-6585A-622 INTERCHANGEABLE
Cover,access
Am General Llc
5331-00-986-0230 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
278-0444-030 Prem Magnetics Inc (USA)
278-0444-030 PRIMARY Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
278-0444-030 Vanguard Electronics, Llc (USA)
A-662 Communication Coil, Inc. Div - (USA)
Related Parts
3030-00-180-2091INTERCHANGEABLE
BELTS,V,MATCHED SET
A66-2
4730-00-670-6016INTERCHANGEABLE
ELBOW,PIPE
SAE J514-3 12-12 140339Q
5340-00-703-6585INTERCHANGEABLE
COVER,ACCESS
A-622
5331-00-986-0230INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 5950-01-126-2900?

NSN 5950-01-126-2900 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 5950-01-126-2900?

NSN 5950-01-126-2900 has 4 cross-referenced part numbers: 278-0444-030 (Prem Magnetics Inc), 278-0444-030 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 278-0444-030 (Vanguard Electronics, Llc), A-662 (Communication Coil, Inc. Div -).

What NSN replaces 5950-01-126-2900?

There are 4 known substitutes for 5950-01-126-2900: 3030-00-180-2091, 4730-00-670-6016, 5340-00-703-6585 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 278-0444-030?

Key specifications for 278-0444-030: Hazardous Locations/environmental Protection: MOISTURE RESISTANT AND VIBRATION RESISTANT; Rating Method: WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY; Turn Quantity: 5 SINGLE COMPONENT SINGLE PRIMARY; Winding Conductor Size: 0.00795 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE SECONDARY 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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