PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

278-0444-050Transformer,radio Frequency

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 5950-01-126-2901 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-126-2901 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-126-2901. Primary manufacturer part number: 278-0444-050.
Features
  • Transformer,radio Frequency — FSC 5950
  • Body Outside Diameter: 0.192 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN
  • Features Provided: TINNED WIRE LEADS
  • Turn Quantity: 8 SINGLE COMPONENT SINGLE SECONDARY
  • Body Length: 0.059 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
  • Rating Method: WINDING TURNS SINGLE COMPONENT SINGLE SECONDARY
  • Mounting Method: TERMINAL SINGLE GROUP
  • Rating Method: WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,radio Frequency, cataloged under National Stock Number 5950-01-126-2901, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-126-2901
Primary Part Number278-0444-050
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
Body Outside Diameter0.192 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN
Features ProvidedTINNED WIRE LEADS
Turn Quantity8 SINGLE COMPONENT SINGLE SECONDARY
Body Length0.059 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
Rating MethodWINDING TURNS SINGLE COMPONENT SINGLE SECONDARY
Mounting MethodTERMINAL SINGLE GROUP
Rating MethodWINDING TURNS SINGLE COMPONENT SINGLE PRIMARY
Inclosure TypeOPEN
Hazardous Locations/environmental ProtectionMOISTURE RESISTANT AND VIBRATION RESISTANT
Winding Conductor Size0.00795 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY IN
Reliability IndicatorNOT ESTABLISHED
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Maximum Operating Temp125.0 CELSIUS DEGC
Winding Conductor Size0.00795 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE SECONDARY IN
Turn Quantity8 SINGLE COMPONENT SINGLE PRIMARY
Terminal Type and Quantity6 WIRE LEAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3020-00-255-7204100RL INTERCHANGEABLE
Link,roller Chain
Jeffrey Chain L.p.
4820-00-430-5602133C5J INTERCHANGEABLE
Cock,plug
Anderson Brass Co
3020-00-529-1615470-3 INTERCHANGEABLE
Link,roller Chain
Dana Off Highway Products, Llc
4730-00-808-68484 FNTX-S INTERCHANGEABLE
Cap,tube
Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
5961-01-183-3587716894-1 INTERCHANGEABLE
Retainer,semiconductor Device
Raytheon Company Div Rmd Strategic
6695-01-215-3663 INTERCHANGEABLE
Transducer,motional Pickup
Cross-Reference Index
Part NumberManufacturer
278-0444-050 PRIMARY Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
278-0444-050 Vanguard Electronics, Llc (USA)
A-664 Communication Coil, Inc. Div - (USA)
278-0444-050 Prem Magnetics Inc (USA)
Related Parts
3020-00-255-7204INTERCHANGEABLE
LINK,ROLLER CHAIN
100RL
4820-00-430-5602INTERCHANGEABLE
COCK,PLUG
133C5J
3020-00-529-1615INTERCHANGEABLE
LINK,ROLLER CHAIN
470-3
4730-00-808-6848INTERCHANGEABLE
CAP,TUBE
4 FNTX-S
5961-01-183-3587INTERCHANGEABLE
RETAINER,SEMICONDUCTOR DEVICE
716894-1
6695-01-215-3663INTERCHANGEABLE
TRANSDUCER,MOTIONAL PICKUP

Frequently Asked Questions

What is NSN 5950-01-126-2901?

NSN 5950-01-126-2901 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 5950-01-126-2901?

NSN 5950-01-126-2901 has 4 cross-referenced part numbers: 278-0444-050 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 278-0444-050 (Vanguard Electronics, Llc), A-664 (Communication Coil, Inc. Div -), 278-0444-050 (Prem Magnetics Inc).

What NSN replaces 5950-01-126-2901?

There are 6 known substitutes for 5950-01-126-2901: 3020-00-255-7204, 4820-00-430-5602, 3020-00-529-1615 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 278-0444-050?

Key specifications for 278-0444-050: Body Outside Diameter: 0.192 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN; Features Provided: TINNED WIRE LEADS; Turn Quantity: 8 SINGLE COMPONENT SINGLE SECONDARY; Body Length: 0.059 INCHES MINIMUM AND 0.075 INCHES MAXIMUM 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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