PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23521Transformer,power

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 5950-00-648-5403 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-648-5403 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-648-5403. Primary manufacturer part number: 23521.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Shielding Method: INTERNAL SHIELD GROUNDED TO CORE AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT
  • Winding Operating Voltage: 117.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 2.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Inclosure Type: HERMETICALLY SEALED
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-648-5403, 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 L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5950-00-648-5403
Primary Part Number23521
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO CORE AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Winding Operating Voltage117.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Center to Center Distance Between Mounting Facilities Parallel to Length2.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Inclosure TypeHERMETICALLY SEALED
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Operating Current90.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Terminal Type and Quantity5 STANDOFF, SOLDER LUG
Center to Center Distance Between Mounting Facilities Parallel to Width2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Frequency Rating50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
Nominal Thread Size0.190 INCHES SINGLE GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Voltage750.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5999-00-035-789323-521 INTERCHANGEABLE
Contact,electrical
Eaton Corp Opns & Technical Center
2810-00-118-902523521 INTERCHANGEABLE
Piston,internal Combustion Engin
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5985-00-723-4628MX-1554A/U INTERCHANGEABLE
Seal,radio Frequency Transmissio
Joint Electronics Type Designation System
5940-00-784-304910-910-2 INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
3010-00-824-268423521 INTERCHANGEABLE
Coupling,shaft,flexible
Senior Operations Llc Dba Metal Bellows Div Metal Bellows
5340-00-854-018823521 INTERCHANGEABLE
Standoff,threaded,spacing
Hamilton Sundstrand Corporation Dba Collins Aerospace
5950-01-072-994612282754 INTERCHANGEABLE
Transformer,power
U S Army Tank Automotive Command Amsta-Im-Mm
5998-01-220-2243 INTERCHANGEABLE
Circuit Card Assembly
5950-01-348-9868 INTERCHANGEABLE
Transformer,power
5310-01-382-502023521 INTERCHANGEABLE
Nut,plain,hexagon
Naval Inventory Control Point Mechanicsburg
Cross-Reference Index
Part NumberManufacturer
23521 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
Related Parts
5999-00-035-7893INTERCHANGEABLE
CONTACT,ELECTRICAL
23-521
2810-00-118-9025INTERCHANGEABLE
PISTON,INTERNAL COMBUSTION ENGIN
23521
5985-00-723-4628INTERCHANGEABLE
SEAL,RADIO FREQUENCY TRANSMISSIO
MX-1554A/U
5940-00-784-3049INTERCHANGEABLE
TERMINAL,STUD
10-910-2
3010-00-824-2684INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
23521
5340-00-854-0188INTERCHANGEABLE
STANDOFF,THREADED,SPACING
23521
5950-01-072-9946INTERCHANGEABLE
TRANSFORMER,POWER
12282754
5998-01-220-2243INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5950-01-348-9868INTERCHANGEABLE
TRANSFORMER,POWER
5310-01-382-5020INTERCHANGEABLE
NUT,PLAIN,HEXAGON
23521
6130-01-442-4090INTERCHANGEABLE
BATTERY POWER SUPPLY
23521
4820-01-553-0468INTERCHANGEABLE
VALVE,SAFETY RELIEF
23521

Frequently Asked Questions

What is NSN 5950-00-648-5403?

NSN 5950-00-648-5403 is a Transformer,power, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-648-5403?

NSN 5950-00-648-5403 has 1 cross-referenced part number: 23521 (L3harris Technologies, Inc Div Space & Airborne Systems).

What NSN replaces 5950-00-648-5403?

There are 12 known substitutes for 5950-00-648-5403: 5999-00-035-7893, 2810-00-118-9025, 5985-00-723-4628 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 23521?

Key specifications for 23521: Reliability Indicator: NOT ESTABLISHED; Overall Length: 3.532 INCHES NOMINAL IN; Winding Shielding Method: INTERNAL SHIELD GROUNDED TO CORE AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT; Overall Height: 2.751 INCHES NOMINAL IN. 19 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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