PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4757Transformer,power

Precision Electronics, Inc · NSN 5950-00-495-2536 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-495-2536 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-495-2536. Primary manufacturer part number: 4757.
Features
  • Transformer,power — FSC 5950
  • Body Width: 4.000 INCHES MAXIMUM IN
  • Winding Function and Quantity: 1 PRIMARY AND 5 SECONDARY SINGLE COMPONENT
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Winding Operating Voltage: 20.00 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY
  • Winding Operating Voltage: 12.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
  • Winding Operating Current: 1.5 AMPERES DC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY
  • Nominal Thread Size: 0.250 INCHES SINGLE 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 5950-00-495-2536, 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 Precision Electronics, Inc. Government technical data includes 23 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-495-2536
Primary Part Number4757
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerPrecision Electronics, Inc
StatusACTIVE
Body Width4.000 INCHES MAXIMUM IN
Winding Function and Quantity1 PRIMARY AND 5 SECONDARY SINGLE COMPONENT
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Voltage20.00 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY
Winding Operating Voltage12.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Winding Operating Current1.5 AMPERES DC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY
Nominal Thread Size0.250 INCHES SINGLE GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Width3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Inclosure TypeFULLY INCLOSED
Reliability IndicatorNOT ESTABLISHED
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Winding Operating Current1.5 AMPERES DC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Length3.688 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Length4.688 INCHES MAXIMUM IN
Winding Operating Current5.0 AMPERES DC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Winding Operating Voltage20.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Frequency Rating420.0 HERTZ NOMINAL SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Current5.0 AMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Terminal Type and Quantity12 TURRET
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Operating Voltage12.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5950-00-102-60874757 INTERCHANGEABLE
Transformer,power
Baltimore Transformer Co
5365-00-424-25444757 INTERCHANGEABLE
Bushing,machine Thread
Carrier Corp
5325-00-597-43772D4757 INTERCHANGEABLE
Ring,retaining
Fwd Seagrave Holdings Lp
1680-00-679-20354757 INTERCHANGEABLE
Tube,elevation,seat
B/e Aerospace Inc Dba Interturbine
2995-00-906-7178DS-922451 INTERCHANGEABLE
Shaft Assembly
Eaton Aerospace, Llc Dba Jackson South
6640-01-304-64464757 INTERCHANGEABLE
Tag,tissue Specimen
Marketing International Inc
5120-01-411-4670J4757 INTERCHANGEABLE
Handle,socket Wrench
The Stanley Works Dba Stanley Proto
6520-01-556-147690191 INTERCHANGEABLE
Filter,lavage Pump,ultrasonic Pr
Dentsply Sirona Inc. Dba Dentsply Professional Div Dentsply Professional/preventive
5310-01-632-82263011563 INTERCHANGEABLE
Nut,plain,welding
General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp
Cross-Reference Index
Part NumberManufacturer
4757 PRIMARY Precision Electronics, Inc (USA)
3011563 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5950-00-102-6087INTERCHANGEABLE
TRANSFORMER,POWER
4757
5365-00-424-2544INTERCHANGEABLE
BUSHING,MACHINE THREAD
4757
5325-00-597-4377INTERCHANGEABLE
RING,RETAINING
2D4757
1680-00-679-2035INTERCHANGEABLE
TUBE,ELEVATION,SEAT
4757
2995-00-906-7178INTERCHANGEABLE
SHAFT ASSEMBLY
DS-922451
6640-01-304-6446INTERCHANGEABLE
TAG,TISSUE SPECIMEN
4757
5120-01-411-4670INTERCHANGEABLE
HANDLE,SOCKET WRENCH
J4757
6520-01-556-1476INTERCHANGEABLE
FILTER,LAVAGE PUMP,ULTRASONIC PR
90191
5310-01-632-8226INTERCHANGEABLE
NUT,PLAIN,WELDING
3011563

Frequently Asked Questions

What is NSN 5950-00-495-2536?

NSN 5950-00-495-2536 is a Transformer,power, manufactured by Precision Electronics, Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-495-2536?

NSN 5950-00-495-2536 has 2 cross-referenced part numbers: 4757 (Precision Electronics, Inc), 3011563 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 5950-00-495-2536?

There are 9 known substitutes for 5950-00-495-2536: 5950-00-102-6087, 5365-00-424-2544, 5325-00-597-4377 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4757?

Key specifications for 4757: Body Width: 4.000 INCHES MAXIMUM IN; Winding Function and Quantity: 1 PRIMARY AND 5 SECONDARY SINGLE COMPONENT; Overall Height: 6.625 INCHES MAXIMUM IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 25 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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