PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C2020-3Transformer,power Autotransforme

Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company · NSN 5950-00-916-3971 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-916-3971 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-916-3971. Primary manufacturer part number: C2020-3.
Features
  • Transformer,power Autotransforme — FSC 5950
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Winding Power Rating: 60.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE PRIMARY OUTPUT
  • Winding Operating Current: 2.14 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT
  • Winding Operating Voltage: 5.30 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT
  • Frequency Rating: 380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
  • Winding Function and Quantity: 1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT
  • Terminal Type and Quantity: 3 THREADED STUD
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power Autotransforme, cataloged under National Stock Number 5950-00-916-3971, 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 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company. Government technical data includes 15 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-916-3971
Primary Part NumberC2020-3
Item NameTransformer,power Autotransforme
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Lockheed Martin Aeronautics Company
StatusACTIVE
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Power Rating60.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Winding Operating Current2.14 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Winding Operating Voltage5.30 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Frequency Rating380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT
Terminal Type and Quantity3 THREADED STUD
Mounting Hole Diameter0.218 INCHES NOMINAL SINGLE GROUP IN
Distance Between Mounting Facility Centers2.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Features ProvidedW/SWITCH
Mounting Facility Quantity2 SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Winding Operating Voltage28.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
Inclosure TypeFULLY INCLOSED
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5330-00-695-90048713442 INTERCHANGEABLE
Packing,preformed
U S Army Tank Automotive Command Amsta-Im-Mm
5950-00-710-564310863 INTERCHANGEABLE
Coil,radio Frequency
Vanguard Electronics, Llc
6625-00-958-04591086-3 INTERCHANGEABLE
Shunt,instrument
Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc
4920-01-065-386710863 INTERCHANGEABLE
Fixture,aircraft Maintenance
Technical Heaters, Inc. Dba Technical Heaters Inc
5305-01-112-6087 INTERCHANGEABLE
Screw,machine
3930-01-125-641810863-8 INTERCHANGEABLE
Parts Kit,linear Actuating Cylin
Landoll Company, Llc
5310-01-126-7393398579-01 INTERCHANGEABLE
Nut,pump,shaft
Curtiss-Wright Electro-Mechanical Corporation Div Epd
3020-01-503-245310863 INTERCHANGEABLE
Gear,spur
Climax Portable Machine Tools, Inc
4820-01-516-03261863-00 INTERCHANGEABLE
Seat,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
C2020-3 PRIMARY Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
10863 Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems (USA)
Related Parts
5330-00-695-9004INTERCHANGEABLE
PACKING,PREFORMED
8713442
5950-00-710-5643INTERCHANGEABLE
COIL,RADIO FREQUENCY
10863
6625-00-958-0459INTERCHANGEABLE
SHUNT,INSTRUMENT
1086-3
4920-01-065-3867INTERCHANGEABLE
FIXTURE,AIRCRAFT MAINTENANCE
10863
5305-01-112-6087INTERCHANGEABLE
SCREW,MACHINE
3930-01-125-6418INTERCHANGEABLE
PARTS KIT,LINEAR ACTUATING CYLIN
10863-8
5310-01-126-7393INTERCHANGEABLE
NUT,PUMP,SHAFT
398579-01
3020-01-503-2453INTERCHANGEABLE
GEAR,SPUR
10863
4820-01-516-0326INTERCHANGEABLE
SEAT,VALVE
1863-00

Frequently Asked Questions

What is NSN 5950-00-916-3971?

NSN 5950-00-916-3971 is a Transformer,power Autotransforme, manufactured by Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-916-3971?

NSN 5950-00-916-3971 has 2 cross-referenced part numbers: C2020-3 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), 10863 (Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems).

What NSN replaces 5950-00-916-3971?

There are 9 known substitutes for 5950-00-916-3971: 5330-00-695-9004, 5950-00-710-5643, 6625-00-958-0459 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C2020-3?

Key specifications for C2020-3: Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Winding Power Rating: 60.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE PRIMARY OUTPUT; Winding Operating Current: 2.14 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT; Winding Operating Voltage: 5.30 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT. 18 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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