PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3573Transformer,power

Shafer Magnetic Components · NSN 5950-01-225-8780 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-225-8780 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-225-8780. Primary manufacturer part number: 3573.
Features
  • Transformer,power — FSC 5950
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 5.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT
  • Winding Operating Voltage: 43.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
  • Inclosure Type: FULLY INCLOSED
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Body Length: 6.000 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-225-8780, 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 Shafer Magnetic Components. Government technical data includes 22 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-225-8780
Primary Part Number3573
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerShafer Magnetic Components
StatusACTIVE
Center to Center Distance Between Mounting Facilities Parallel to Length5.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Voltage43.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Inclosure TypeFULLY INCLOSED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Body Length6.000 INCHES NOMINAL IN
Winding Operating Voltage28.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Mounting Facility Quantity4 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Width2.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Width3.380 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Terminal Type and Quantity11 WIRE LEAD
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Current0.2 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Winding Operating Voltage28.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Winding Operating Current0.2 AMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Nominal Thread Size0.164 INCHES SINGLE GROUP IN
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
Winding Operating Current0.4 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Reliability IndicatorNOT ESTABLISHED
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5905-00-192-3973 INTERCHANGEABLE
Resistor,fixed,composition
5920-00-229-1312 INTERCHANGEABLE
Fuse,cartridge
2530-00-359-0399F3573 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
6930-00-526-3639 INTERCHANGEABLE
Driver Testing and Training Devi
6510-00-568-93543573 INTERCHANGEABLE
Adhesive Tape,surgical
Szy Holdings, Llc Dba Szy Holdings Llc
3040-00-779-91703573 INTERCHANGEABLE
Shaft,straight
L3harris Technologies, Inc. Div Space and Airborne Systems
3120-01-017-40063573 INTERCHANGEABLE
Bushing,sleeve
The Gorman-Rupp Company Div Gorman-Rupp
5960-01-074-1302 INTERCHANGEABLE
Electron Tube
5962-01-085-41733573AM INTERCHANGEABLE
Microcircuit,linear
Burr-Brown Corp
5910-01-096-4310C3573-0 INTERCHANGEABLE
Capacitor
Crown Audio, Inc. Dba Crown International
Cross-Reference Index
Part NumberManufacturer
3573 PRIMARY Shafer Magnetic Components (USA)
336-070-072 L3harris Interstate Electronics Corporation (USA)
Related Parts
5905-00-192-3973INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5920-00-229-1312INTERCHANGEABLE
FUSE,CARTRIDGE
2530-00-359-0399INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
F3573
6930-00-526-3639INTERCHANGEABLE
DRIVER TESTING AND TRAINING DEVI
6510-00-568-9354INTERCHANGEABLE
ADHESIVE TAPE,SURGICAL
3573
3040-00-779-9170INTERCHANGEABLE
SHAFT,STRAIGHT
3573
3120-01-017-4006INTERCHANGEABLE
BUSHING,SLEEVE
3573
5960-01-074-1302INTERCHANGEABLE
ELECTRON TUBE
5962-01-085-4173INTERCHANGEABLE
MICROCIRCUIT,LINEAR
3573AM
5910-01-096-4310INTERCHANGEABLE
CAPACITOR
C3573-0
5935-01-118-6347INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
147571
1377-01-244-4117INTERCHANGEABLE
INITIATOR,CARTRIDGE ACTUATED
3590

Frequently Asked Questions

What is NSN 5950-01-225-8780?

NSN 5950-01-225-8780 is a Transformer,power, manufactured by Shafer Magnetic Components, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-225-8780?

NSN 5950-01-225-8780 has 2 cross-referenced part numbers: 3573 (Shafer Magnetic Components), 336-070-072 (L3harris Interstate Electronics Corporation).

What NSN replaces 5950-01-225-8780?

There are 12 known substitutes for 5950-01-225-8780: 5905-00-192-3973, 5920-00-229-1312, 2530-00-359-0399 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3573?

Key specifications for 3573: Center to Center Distance Between Mounting Facilities Parallel to Length: 5.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Mounting Method: THREADED STUD(S) SINGLE GROUP; Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT; Winding Operating Voltage: 43.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY. 23 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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