PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

278-2112-010Transformer,radio Frequency

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 5950-00-118-8128 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-118-8128 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-118-8128. Primary manufacturer part number: 278-2112-010.
Features
  • Transformer,radio Frequency — FSC 5950
  • Body Outside Diameter: 0.812 INCHES MAXIMUM IN
  • Coil Form Type: HOLLOW SINGLE COMPONENT
  • Inductance Rating: 7.91 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Inductance Rating: 7.91 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Mounting Method: TERMINAL SINGLE GROUP
  • Body Length: 1.640 INCHES NOMINAL IN
  • Adjustment Device Drive Type: HEX NUT 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 5950-00-118-8128, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-118-8128
Primary Part Number278-2112-010
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 Diameter0.812 INCHES MAXIMUM IN
Coil Form TypeHOLLOW SINGLE COMPONENT
Inductance Rating7.91 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Inductance Rating7.91 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting MethodTERMINAL SINGLE GROUP
Body Length1.640 INCHES NOMINAL IN
Adjustment Device Drive TypeHEX NUT SINGLE COMPONENT
Inclosure TypeOPEN
Maximum Operating Temp100.0 CELSIUS DEGC
Terminal Type and Quantity3 WIRE LEAD AND 1 COLLAR/RING
Reliability IndicatorNOT ESTABLISHED
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Adjustment Method and Quantity1 ADJUSTABLE CORE SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5440-00-061-889835008 INTERCHANGEABLE
Stepladder
Bauer Corp
4730-00-288-9420155F-8 INTERCHANGEABLE
Elbow,tube
Parker-Hannifin Corp Div Fluid System Connector Division
2640-00-537-225170-HT-GOVT INTERCHANGEABLE
Valve Core
Dill Air Controls Products Llc Dba Dill Air Controls Products Llc
5960-00-581-9719 INTERCHANGEABLE
Retainer,electron Tube
3110-00-910-7604A145 INTERCHANGEABLE
Bearing,ball,thrust
Charles Bond Company Dba Christiana Machine Company
5330-01-006-5410A145 INTERCHANGEABLE
Gasket
Ace Pump Corp
7125-01-044-25901947 INTERCHANGEABLE
Cabinet,storage
Eagle Mfg Co
5440-01-415-1238 INTERCHANGEABLE
Stepladder
5440-01-415-1240 INTERCHANGEABLE
Stepladder
5440-01-415-1241 INTERCHANGEABLE
Stepladder
Cross-Reference Index
Part NumberManufacturer
278-2112-010 Communication Coil, Inc. Div - (USA)
278-2112-010 PRIMARY Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
278-2112-010 Torotel, Inc. Div Torotel Products, Inc. (USA)
278-2112-010 Albert Frei & Sons Inc. Div Albert Frei & Sons Inc. (USA)
A145 Communication Coil, Inc. Div - (USA)
Related Parts
5440-00-061-8898INTERCHANGEABLE
STEPLADDER
35008
4730-00-288-9420INTERCHANGEABLE
ELBOW,TUBE
155F-8
2640-00-537-2251INTERCHANGEABLE
VALVE CORE
70-HT-GOVT
5960-00-581-9719INTERCHANGEABLE
RETAINER,ELECTRON TUBE
3110-00-910-7604INTERCHANGEABLE
BEARING,BALL,THRUST
A145
5330-01-006-5410INTERCHANGEABLE
GASKET
A145
7125-01-044-2590INTERCHANGEABLE
CABINET,STORAGE
1947
5440-01-415-1238INTERCHANGEABLE
STEPLADDER
5440-01-415-1240INTERCHANGEABLE
STEPLADDER
5440-01-415-1241INTERCHANGEABLE
STEPLADDER

Frequently Asked Questions

What is NSN 5950-00-118-8128?

NSN 5950-00-118-8128 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 5950-00-118-8128?

NSN 5950-00-118-8128 has 5 cross-referenced part numbers: 278-2112-010 (Communication Coil, Inc. Div -), 278-2112-010 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 278-2112-010 (Torotel, Inc. Div Torotel Products, Inc.), 278-2112-010 (Albert Frei & Sons Inc. Div Albert Frei & Sons Inc.), A145 (Communication Coil, Inc. Div -).

What NSN replaces 5950-00-118-8128?

There are 10 known substitutes for 5950-00-118-8128: 5440-00-061-8898, 4730-00-288-9420, 2640-00-537-2251 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 278-2112-010?

Key specifications for 278-2112-010: Body Outside Diameter: 0.812 INCHES MAXIMUM IN; Coil Form Type: HOLLOW SINGLE COMPONENT; Inductance Rating: 7.91 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE SECONDARY; Inductance Rating: 7.91 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE PRIMARY. 13 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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