PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

278-1839-000Transformer,radio Frequency

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 5950-00-944-9942 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-944-9942 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-944-9942. Primary manufacturer part number: 278-1839-000.
Features
  • Transformer,radio Frequency — FSC 5950
  • Inclosure Type: HERMETICALLY SEALED
  • Mounting Method: PLUG-IN SINGLE GROUP
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Winding Shielding Method: EXTERNAL INCLOSURE SINGLE COMPONENT
  • Body Outside Diameter: 0.625 INCHES NOMINAL IN
  • Body Length: 0.781 INCHES NOMINAL IN
  • Terminal Type and Quantity: 5 PIN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,radio Frequency, cataloged under National Stock Number 5950-00-944-9942, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-944-9942
Primary Part Number278-1839-000
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
Inclosure TypeHERMETICALLY SEALED
Mounting MethodPLUG-IN SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Winding Shielding MethodEXTERNAL INCLOSURE SINGLE COMPONENT
Body Outside Diameter0.625 INCHES NOMINAL IN
Body Length0.781 INCHES NOMINAL IN
Terminal Type and Quantity5 PIN
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3110-00-117-0773 INTERCHANGEABLE
Bearing,roller,thrust
5136-00-555-8910T107A INTERCHANGEABLE
Tap,thread Cutting
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
4935-00-792-3851 INTERCHANGEABLE
Module
5930-00-911-6149 INTERCHANGEABLE
Switch,rotary
6150-01-102-4263T107 INTERCHANGEABLE
Bus,conductor
Vector Electronics & Technology Inc
6520-01-156-3150 INTERCHANGEABLE
Pin Kit,thread-Forming,dental
3110-01-460-8449T107 INTERCHANGEABLE
Ball,bearing
Unertl John Optical Co Inc
Cross-Reference Index
Part NumberManufacturer
T107 Communication Coil, Inc. Div - (USA)
X851T107 Communication Coil, Inc. Div - (USA)
X851 Communication Coil, Inc. Div - (USA)
278-1839-000 PRIMARY Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
Related Parts
3110-00-117-0773INTERCHANGEABLE
BEARING,ROLLER,THRUST
5136-00-555-8910INTERCHANGEABLE
TAP,THREAD CUTTING
T107A
4935-00-792-3851INTERCHANGEABLE
MODULE
5930-00-911-6149INTERCHANGEABLE
SWITCH,ROTARY
6150-01-102-4263INTERCHANGEABLE
BUS,CONDUCTOR
T107
6520-01-156-3150INTERCHANGEABLE
PIN KIT,THREAD-FORMING,DENTAL
3110-01-460-8449INTERCHANGEABLE
BALL,BEARING
T107

Frequently Asked Questions

What is NSN 5950-00-944-9942?

NSN 5950-00-944-9942 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 5950-00-944-9942?

NSN 5950-00-944-9942 has 4 cross-referenced part numbers: T107 (Communication Coil, Inc. Div -), X851T107 (Communication Coil, Inc. Div -), X851 (Communication Coil, Inc. Div -), 278-1839-000 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).

What NSN replaces 5950-00-944-9942?

There are 7 known substitutes for 5950-00-944-9942: 3110-00-117-0773, 5136-00-555-8910, 4935-00-792-3851 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 278-1839-000?

Key specifications for 278-1839-000: Inclosure Type: HERMETICALLY SEALED; Mounting Method: PLUG-IN SINGLE GROUP; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Winding Shielding Method: EXTERNAL INCLOSURE SINGLE COMPONENT. 8 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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