PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19658Transformer,power

Magnetika Inc Div Magnetika/phillipsburg Location · NSN 5950-00-645-6539 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-645-6539 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-645-6539. Primary manufacturer part number: 19658.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Terminal Type and Quantity: 7 TAB, SOLDER LUG
  • Body Height: 3.062 INCHES NOMINAL IN
  • Frequency Rating: 2.0 KILOHERTZ NOMINAL SINGLE COMPONENT
  • Winding Shielding Method: INTERNAL SHIELD BROUGHT OUT TO TERMINAL 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 5950-00-645-6539, 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 Magnetika Inc Div Magnetika/phillipsburg Location. 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-645-6539
Primary Part Number19658
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerMagnetika Inc Div Magnetika/phillipsburg Location
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Terminal Type and Quantity7 TAB, SOLDER LUG
Body Height3.062 INCHES NOMINAL IN
Frequency Rating2.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Center to Center Distance Between Mounting Facilities Parallel to Length2.297 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage180.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting Facility Quantity4 SINGLE GROUP
Body Length3.188 INCHES NOMINAL IN
Body Width2.625 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width1.859 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current2.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT ALL SECONDARY
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Winding Operating Voltage35.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Winding Operating Voltage2.13 AC KILOVOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Thread Quantity Per Inch32 SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-00-213-034799125655 INTERCHANGEABLE
Washer,flat
Alfa Laval Inc
5315-01-019-6348 INTERCHANGEABLE
Pin,plunger
5305-01-273-940419658 INTERCHANGEABLE
Screw,cap,socket Head
Sps Technologies, Llc Dba PB Fasteners
5340-01-424-344719658 INTERCHANGEABLE
Lever,manual Control
Mission Systems Orchard Park Inc
Cross-Reference Index
Part NumberManufacturer
19658 Opt Industries Inc Div of Electronika Inc (USA)
19658 PRIMARY Magnetika Inc Div Magnetika/phillipsburg Location (USA)
Related Parts
5310-00-213-0347INTERCHANGEABLE
WASHER,FLAT
99125655
5315-01-019-6348INTERCHANGEABLE
PIN,PLUNGER
5305-01-273-9404INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
19658
5340-01-424-3447INTERCHANGEABLE
LEVER,MANUAL CONTROL
19658

Frequently Asked Questions

What is NSN 5950-00-645-6539?

NSN 5950-00-645-6539 is a Transformer,power, manufactured by Magnetika Inc Div Magnetika/phillipsburg Location, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-645-6539?

NSN 5950-00-645-6539 has 2 cross-referenced part numbers: 19658 (Opt Industries Inc Div of Electronika Inc), 19658 (Magnetika Inc Div Magnetika/phillipsburg Location).

What NSN replaces 5950-00-645-6539?

There are 4 known substitutes for 5950-00-645-6539: 5310-00-213-0347, 5315-01-019-6348, 5305-01-273-9404 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 19658?

Key specifications for 19658: Reliability Indicator: NOT ESTABLISHED; Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Terminal Type and Quantity: 7 TAB, SOLDER LUG. 21 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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