PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

78820Transformer,power

Magnetika Inc · NSN 5950-00-488-3821 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-488-3821 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-488-3821. Primary manufacturer part number: 78820.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Voltage: 10.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Winding Operating Current: 100.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
  • Criticality Code Justification: FEAT
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Reliability Indicator: NOT ESTABLISHED
  • Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-488-3821, 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. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-488-3821
Primary Part Number78820
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerMagnetika Inc
StatusACTIVE
Winding Operating Voltage10.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Winding Operating Current100.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Criticality Code JustificationFEAT
Center to Center Distance Between Mounting Facilities Parallel to Length1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Reliability IndicatorNOT ESTABLISHED
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Height0.880 INCHES NOMINAL IN
Body Length2.000 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Input-Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Width2.000 INCHES NOMINAL IN
Inclosure TypeFULLY INCLOSED
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Terminal Type and Quantity7 SOLDER STUD
Thread Quantity Per Inch32 SINGLE GROUP
Winding Operating Voltage35.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting Facility Quantity4 SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3020-00-076-0456 INTERCHANGEABLE
Gear,internal
6625-00-150-520208820 INTERCHANGEABLE
Voltmeter
Simpson Electric Company, Inc.
7920-00-165-727754007 INTERCHANGEABLE
Brush,dusting,bench
Jason Incorporated Dba Osborn International a Unit of Jason
5330-00-207-89748820 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5962-00-319-2486DM8820 INTERCHANGEABLE
Microcircuit,digital
National Semiconductor Corporation
2825-00-337-10938820 INTERCHANGEABLE
Piston Valve Assy
Northrop Grumman Systems Corporation Div Marine Systems
5306-00-346-9962J8820 INTERCHANGEABLE
Bolt,machine
Joslyn Corp
4310-00-459-59647277 INTERCHANGEABLE
Plate,reed Valve
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5975-00-683-27438820 INTERCHANGEABLE
Union,electrical Conduit
Abb Installation Products Inc
5995-00-725-687105100-6195 INTERCHANGEABLE
Cable Assembly,radio Frequency
Keysight Technologies Inc
Cross-Reference Index
Part NumberManufacturer
W5218 Microtran Co Inc (USA)
8820 Magnetika Inc (USA)
7277 Altec Lansing Corp Sound Products Div (USA)
8820 Dotronix Inc Boulder Opn (USA)
7009 Magnetika Inc (USA)
1018864-001 Anacomp, Inc. (USA)
78820 PRIMARY Magnetika Inc (USA)
Related Parts
3020-00-076-0456INTERCHANGEABLE
GEAR,INTERNAL
6625-00-150-5202INTERCHANGEABLE
VOLTMETER
08820
7920-00-165-7277INTERCHANGEABLE
BRUSH,DUSTING,BENCH
54007
5330-00-207-8974INTERCHANGEABLE
SEAL,PLAIN ENCASED
8820
5962-00-319-2486INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
DM8820
2825-00-337-1093INTERCHANGEABLE
PISTON VALVE ASSY
8820
5306-00-346-9962INTERCHANGEABLE
BOLT,MACHINE
J8820
4310-00-459-5964INTERCHANGEABLE
PLATE,REED VALVE
7277
5975-00-683-2743INTERCHANGEABLE
UNION,ELECTRICAL CONDUIT
8820
5995-00-725-6871INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
05100-6195
3610-00-773-9202INTERCHANGEABLE
ROLL,WIRE STRAIGHTE
7277
5975-00-792-3462INTERCHANGEABLE
BAND,POLE
6277

Frequently Asked Questions

What is NSN 5950-00-488-3821?

NSN 5950-00-488-3821 is a Transformer,power, manufactured by Magnetika Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-488-3821?

NSN 5950-00-488-3821 has 7 cross-referenced part numbers: W5218 (Microtran Co Inc), 8820 (Magnetika Inc), 7277 (Altec Lansing Corp Sound Products Div), 8820 (Dotronix Inc Boulder Opn), 7009 (Magnetika Inc) and 2 more.

What NSN replaces 5950-00-488-3821?

There are 12 known substitutes for 5950-00-488-3821: 3020-00-076-0456, 6625-00-150-5202, 7920-00-165-7277 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 78820?

Key specifications for 78820: Winding Operating Voltage: 10.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY; Winding Operating Current: 100.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY; Criticality Code Justification: FEAT; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 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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