PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TF512UTransformer,power

Joint Electronics Type Designation System · NSN 5950-00-087-4970 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-087-4970 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-087-4970. Primary manufacturer part number: TF512U.
Features
  • Transformer,power — FSC 5950
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Winding Operating Voltage: 110.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Body Width: 1.375 INCHES NOMINAL IN
  • Winding Operating Voltage: 6.20 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Body Height: 1.000 INCHES NOMINAL IN
  • Inclosure Type: HERMETICALLY SEALED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-087-4970, 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 Joint Electronics Type Designation System. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-087-4970
Primary Part NumberTF512U
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerJoint Electronics Type Designation System
StatusACTIVE
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Winding Operating Voltage110.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Width1.375 INCHES NOMINAL IN
Winding Operating Voltage6.20 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Body Height1.000 INCHES NOMINAL IN
Inclosure TypeHERMETICALLY SEALED
Terminal Type and Quantity2 CABLE W/CONNECTOR AND 2 PIN
Body Length2.281 INCHES NOMINAL IN
Mounting MethodPLUG-IN SINGLE GROUP
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5310-00-185-6358 INTERCHANGEABLE
Nut,plain,round
5985-00-256-6390 INTERCHANGEABLE
Attenuator,variable
5961-00-683-4650 INTERCHANGEABLE
Semiconductor Device,diode
3805-00-857-2449 INTERCHANGEABLE
Grader,road,motorized
6515-01-056-8336 INTERCHANGEABLE
Tourniquet,nonpneumatic
5110-01-189-9601 INTERCHANGEABLE
Cutter,cable,hand Operated
3448-01-362-5446T-501 INTERCHANGEABLE
Riveting Machine,impact Type,ele
Taumel Noiseless Riveters
5950-01-373-5297T50-0 INTERCHANGEABLE
Form,coil
Micrometals Inc
4235-01-399-3029HP-500 INTERCHANGEABLE
Sorbent,oil
3m Company
6640-01-608-9063T500 INTERCHANGEABLE
Tube,biological Culture Sampling
Charles River Laboratories, Inc.
Cross-Reference Index
Part NumberManufacturer
B-5128 Electrical Instrument Service Inc Dba Electrical Instrmnt Svce (USA)
T500 E & F Electronics Inc Div E&f Electronics Inc. (USA)
TF512U PRIMARY Joint Electronics Type Designation System (USA)
Related Parts
5310-00-185-6358INTERCHANGEABLE
NUT,PLAIN,ROUND
5985-00-256-6390INTERCHANGEABLE
ATTENUATOR,VARIABLE
5961-00-683-4650INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
3805-00-857-2449INTERCHANGEABLE
GRADER,ROAD,MOTORIZED
6515-01-056-8336INTERCHANGEABLE
TOURNIQUET,NONPNEUMATIC
5110-01-189-9601INTERCHANGEABLE
CUTTER,CABLE,HAND OPERATED
3448-01-362-5446INTERCHANGEABLE
RIVETING MACHINE,IMPACT TYPE,ELE
T-501
5950-01-373-5297INTERCHANGEABLE
FORM,COIL
T50-0
4235-01-399-3029INTERCHANGEABLE
SORBENT,OIL
HP-500
6640-01-608-9063INTERCHANGEABLE
TUBE,BIOLOGICAL CULTURE SAMPLING
T500
7910-01-669-9618INTERCHANGEABLE
SCRUBBING MACHINE,FLOOR,ELECTRIC
T500

Frequently Asked Questions

What is NSN 5950-00-087-4970?

NSN 5950-00-087-4970 is a Transformer,power, manufactured by Joint Electronics Type Designation System, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-087-4970?

NSN 5950-00-087-4970 has 3 cross-referenced part numbers: B-5128 (Electrical Instrument Service Inc Dba Electrical Instrmnt Svce), T500 (E & F Electronics Inc Div E&f Electronics Inc.), TF512U (Joint Electronics Type Designation System).

What NSN replaces 5950-00-087-4970?

There are 11 known substitutes for 5950-00-087-4970: 5310-00-185-6358, 5985-00-256-6390, 5961-00-683-4650 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of TF512U?

Key specifications for TF512U: Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Winding Operating Voltage: 110.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Body Width: 1.375 INCHES NOMINAL IN. 12 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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