PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E487Transformer,power

Keytronics, Inc. Div Api Technologies Corp- Magnetics · NSN 5950-00-648-6068 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-648-6068 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-648-6068. Primary manufacturer part number: E487.
Features
  • Transformer,power — FSC 5950
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Reliability Indicator: NOT ESTABLISHED
  • Inclosure Type: HERMETICALLY SEALED
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT
  • Terminal Type and Quantity: 11 SOLDER STUD
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-648-6068, 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 Keytronics, Inc. Div Api Technologies Corp- Magnetics. Government technical data includes 21 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-648-6068
Primary Part NumberE487
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerKeytronics, Inc. Div Api Technologies Corp- Magnetics
StatusCANCELLED
Mounting Facility Quantity4 SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeHERMETICALLY SEALED
Center to Center Distance Between Mounting Facilities Parallel to Width1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Terminal Type and Quantity11 SOLDER STUD
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST PRIMARY
Winding Shielding MethodEXTERNAL INCLOSURE SINGLE COMPONENT
Body Width1.375 INCHES NOMINAL IN
Thread Quantity Per Inch40 SINGLE GROUP
Nominal Thread Size0.112 INCHES SINGLE GROUP IN
Body Length1.375 INCHES NOMINAL IN
Winding Function and Quantity2 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Winding Operating Voltage6.30 AC VOLTS NOMINAL AND 18.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND PRIMARY
Winding Operating Voltage21.60 AC VOLTS NOMINAL AND 37.70 AC VOLTS NOMINAL AND 175.70 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Body Height1.375 INCHES NOMINAL IN
Winding Operating Voltage47.20 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5360-00-209-86581251PC76024A INTERCHANGEABLE
Spring,helical,compression
John Reiner & Co. Inc.
5950-00-230-8301E487 INTERCHANGEABLE
Transformer,radio Frequency
Viking Technologies, Ltd.
5910-01-509-4878E487 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Vishay Sprague, Inc. Dba Vishay Sprague Inc
Cross-Reference Index
Part NumberManufacturer
E487 PRIMARY Keytronics, Inc. Div Api Technologies Corp- Magnetics (USA)
164-134 Avien Inc
Related Parts
5360-00-209-8658INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
1251PC76024A
5950-00-230-8301INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
E487
5910-01-509-4878INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
E487

Frequently Asked Questions

What is NSN 5950-00-648-6068?

NSN 5950-00-648-6068 is a Transformer,power, manufactured by Keytronics, Inc. Div Api Technologies Corp- Magnetics, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-648-6068?

NSN 5950-00-648-6068 has 2 cross-referenced part numbers: E487 (Keytronics, Inc. Div Api Technologies Corp- Magnetics), 164-134 (Avien Inc).

What NSN replaces 5950-00-648-6068?

There are 3 known substitutes for 5950-00-648-6068: 5360-00-209-8658, 5950-00-230-8301, 5910-01-509-4878. Verify interchangeability with system specifications before substitution.

What are the specifications of E487?

Key specifications for E487: Mounting Facility Quantity: 4 SINGLE GROUP; Reliability Indicator: NOT ESTABLISHED; Inclosure Type: HERMETICALLY SEALED; Center to Center Distance Between Mounting Facilities Parallel to Width: 1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-648-6068 still in active supply?

NSN 5950-00-648-6068 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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