PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4748Transformer,power

Precision Electronics, Inc · NSN 5950-01-017-0763 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-017-0763 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-017-0763. Primary manufacturer part number: 4748.
Features
  • Transformer,power — FSC 5950
  • Hazardous Locations/environmental Protection: HUMIDITY RESISTANT AND VIBRATION RESISTANT
  • Reliability Indicator: NOT ESTABLISHED
  • Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT
  • Winding Operating Current: 3.0 AMPERES DC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
  • Inclosure Type: HERMETICALLY SEALED
  • Winding Shielding Method: INTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
  • Winding Operating Voltage: 22.50 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-017-0763, 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 29 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-017-0763
Primary Part Number4748
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerPrecision Electronics, Inc
StatusACTIVE
Hazardous Locations/environmental ProtectionHUMIDITY RESISTANT AND VIBRATION RESISTANT
Reliability IndicatorNOT ESTABLISHED
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Current3.0 AMPERES DC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Inclosure TypeHERMETICALLY SEALED
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
Winding Operating Voltage22.50 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Winding Operating Current3.0 AMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Winding Operating Voltage12.70 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY
Terminal Type and Quantity24 TURRET
Center to Center Distance Between Mounting Facilities Parallel to Width3.688 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Body Height5.812 INCHES MAXIMUM IN
Winding Operating Voltage12.70 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Body Length7.000 INCHES MAXIMUM IN
Maximum Operating Temp70.0 CELSIUS DEGC
Body Width4.750 INCHES MAXIMUM IN
Transformer Winding Connection TypeDELTA-DELTA
Winding Operating Current5.0 AMPERES DC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Winding Function and Quantity1 PRIMARY AND 7 SECONDARY SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Input-Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
Winding Operating Current5.0 AMPERES DC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY
Mounting Facility Quantity4 SINGLE GROUP
Features ProvidedW/RECTIFIER
Nominal Thread Size0.250 INCHES SINGLE GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Length6.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Voltage22.50 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5961-00-130-64534748 INTERCHANGEABLE
Rectifier,semiconductor Device
Spellman High-Voltage Electronics Corporation Dba Spellman High-Voltage Electronics Corp
5905-00-148-448590J4R7 INTERCHANGEABLE
Resistor,fixed,wire Wound
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
8135-00-285-47484748 INTERCHANGEABLE
Strapping
Independent Metal Strap Co Inc
4940-00-391-4601 INTERCHANGEABLE
Guide
3110-00-560-8090143072 INTERCHANGEABLE
Shield,bearing,replacement
Telemechanics Inc
2990-00-865-2330T-4748 INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
5365-00-954-60034748 INTERCHANGEABLE
Spacer,ring
Eaton Aerospace, Llc Dba Jackson South
6685-01-102-1649143072A INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
5930-01-206-67614-748 INTERCHANGEABLE
Switch,thermostatic
National Refrigeration & Air Conditioning Products Inc Dba Continental Refrigerator
5310-01-546-52791101.031.0.11 INTERCHANGEABLE
Washer,flat
Fasteners Inc.
Cross-Reference Index
Part NumberManufacturer
143072 Northrop Grumman Systems Corporation (USA)
4748 PRIMARY Precision Electronics, Inc (USA)
Related Parts
5961-00-130-6453INTERCHANGEABLE
RECTIFIER,SEMICONDUCTOR DEVICE
4748
5905-00-148-4485INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
90J4R7
8135-00-285-4748INTERCHANGEABLE
STRAPPING
4748
4940-00-391-4601INTERCHANGEABLE
GUIDE
3110-00-560-8090INTERCHANGEABLE
SHIELD,BEARING,REPLACEMENT
143072
2990-00-865-2330INTERCHANGEABLE
MUFFLER,EXHAUST
T-4748
5365-00-954-6003INTERCHANGEABLE
SPACER,RING
4748
6685-01-102-1649INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
143072A
5930-01-206-6761INTERCHANGEABLE
SWITCH,THERMOSTATIC
4-748
5310-01-546-5279INTERCHANGEABLE
WASHER,FLAT
1101.031.0.11

Frequently Asked Questions

What is NSN 5950-01-017-0763?

NSN 5950-01-017-0763 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 5950-01-017-0763?

NSN 5950-01-017-0763 has 2 cross-referenced part numbers: 143072 (Northrop Grumman Systems Corporation), 4748 (Precision Electronics, Inc).

What NSN replaces 5950-01-017-0763?

There are 10 known substitutes for 5950-01-017-0763: 5961-00-130-6453, 5905-00-148-4485, 8135-00-285-4748 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4748?

Key specifications for 4748: Hazardous Locations/environmental Protection: HUMIDITY RESISTANT AND VIBRATION RESISTANT; Reliability Indicator: NOT ESTABLISHED; Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT; Winding Operating Current: 3.0 AMPERES DC MAXIMUM SINGLE COMPONENT SECOND SECONDARY. 30 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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