PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

278-0378-011Transformer,radio Frequency

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 5950-01-104-9236 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-104-9236 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-104-9236. Primary manufacturer part number: 278-0378-011.
Features
  • Transformer,radio Frequency — FSC 5950
  • Body Outside Diameter: 0.525 INCHES NOMINAL IN
  • Inclosure Type: FULLY INCLOSED
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Body Length: 0.500 INCHES NOMINAL IN
  • Terminal Type and Quantity: 5 PIN
  • Reliability Indicator: NOT ESTABLISHED
  • Frequency Rating: 450.0 KILOHERTZ NOMINAL 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 5950-01-104-9236, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5950-01-104-9236
Primary Part Number278-0378-011
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 Diameter0.525 INCHES NOMINAL IN
Inclosure TypeFULLY INCLOSED
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Length0.500 INCHES NOMINAL IN
Terminal Type and Quantity5 PIN
Reliability IndicatorNOT ESTABLISHED
Frequency Rating450.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Coil Form TypeSOLID SINGLE COMPONENT
Mounting MethodTERMINAL SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5905-00-136-80391908926-2 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Honeywell Intl Inc Defense Avionics Systems
6240-00-139-5367829853 INTERCHANGEABLE
Lamp,glow
Fluke Corp
5325-00-171-7339A261 INTERCHANGEABLE
Eyelet,metallic
Edwin B. Stimpson Company, Inc. Dba Stimpson
5950-00-275-6793278-0378-010 INTERCHANGEABLE
Transformer,radio Frequency
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
4530-00-394-8492 INTERCHANGEABLE
Atomizer Assembly
4320-00-396-2495571-5600-1444702REVAITEM4 INTERCHANGEABLE
Impeller,pump,centrifugal
Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
278-0378-011 PRIMARY Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
A-261 Communication Coil, Inc. Div - (USA)
Related Parts
5905-00-136-8039INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
1908926-2
6240-00-139-5367INTERCHANGEABLE
LAMP,GLOW
829853
5325-00-171-7339INTERCHANGEABLE
EYELET,METALLIC
A261
5950-00-275-6793INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
278-0378-010
4530-00-394-8492INTERCHANGEABLE
ATOMIZER ASSEMBLY
4320-00-396-2495INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
571-5600-1444702REVAITEM4

Frequently Asked Questions

What is NSN 5950-01-104-9236?

NSN 5950-01-104-9236 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 5950-01-104-9236?

NSN 5950-01-104-9236 has 2 cross-referenced part numbers: 278-0378-011 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), A-261 (Communication Coil, Inc. Div -).

What NSN replaces 5950-01-104-9236?

There are 6 known substitutes for 5950-01-104-9236: 5905-00-136-8039, 6240-00-139-5367, 5325-00-171-7339 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 278-0378-011?

Key specifications for 278-0378-011: Body Outside Diameter: 0.525 INCHES NOMINAL IN; Inclosure Type: FULLY INCLOSED; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Body Length: 0.500 INCHES NOMINAL IN. 9 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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