PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SC4Transformer,power

United Transformer Corp Sub of Opt Industries Inc · NSN 5950-00-645-3602 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-645-3602 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-645-3602. Primary manufacturer part number: SC4.
Features
  • Transformer,power — FSC 5950
  • Mounting Hole Diameter: 0.125 INCHES NOMINAL SINGLE GROUP IN
  • Terminal Type and Quantity: 7 THREADED STUD AND 2 WIRE LEAD
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Body Length: 3.250 INCHES NOMINAL IN
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 2.125 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 5950-00-645-3602, 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 United Transformer Corp Sub of Opt Industries Inc. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 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
NSN5950-00-645-3602
Primary Part NumberSC4
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerUnited Transformer Corp Sub of Opt Industries Inc
StatusACTIVE
Mounting Hole Diameter0.125 INCHES NOMINAL SINGLE GROUP IN
Terminal Type and Quantity7 THREADED STUD AND 2 WIRE LEAD
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Length3.250 INCHES NOMINAL IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Width2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Width3.438 INCHES NOMINAL IN
Winding Operating Voltage110.00 AC VOLTS MINIMUM AND 120.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Voltage4.00 AC VOLTS NOMINAL AND 8.00 AC VOLTS NOMINAL AND 16.00 AC VOLTS NOMINAL AND 20.00 AC VOLTS NOMINAL AND 24.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Inclosure TypePARTIALLY INCLOSED, DOUBLE SHELL
Frequency Rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM SINGLE COMPONENT
Winding Operating Current2.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Reliability IndicatorNOT ESTABLISHED
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Body Height3.906 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5340-00-034-7948SC4 INTERCHANGEABLE
Cap,protective,dust and Moisture
Tubing Seal Cap Div of Vsi Corp Sub of Fairchild Industries Inc
6635-00-056-1007 INTERCHANGEABLE
Calibrator,sensitiv
3655-00-174-1726 INTERCHANGEABLE
Recharging Unit,carbon Dioxide,p
5935-00-201-8357SC4 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Viking Technologies, Ltd.
5360-00-310-66322098 INTERCHANGEABLE
Spring,helical,compression
Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp
4320-00-398-9320BS-1193 PIECE 91 INTERCHANGEABLE
Rod,tail
Circor Naval Solutions Llc Dba Warren Pumps
5340-00-480-6054145A INTERCHANGEABLE
Key Blank
Ilco Unican Corp Dba Wolf Sales
5961-00-988-3991S4M INTERCHANGEABLE
Semiconductor Device,diode
Semtech Corporation
5950-01-220-641011442428 INTERCHANGEABLE
Coil,radio Frequency
Us Army Aviation and Missile Command
6015-01-433-2760SC-4 INTERCHANGEABLE
Cable,fiber Optic
Fiber Sensys, Inc. Dba Fiber Sensys Inc
Cross-Reference Index
Part NumberManufacturer
SC4 United Transformer Corp Sub of Opt Industries Inc (USA)
SC4 Marine Acquisition (us) Incorporated Div Prime Line Industrial Controls (USA)
SC4 Incom Intl Inc Morse Controls Div (USA)
23V41 Thordarson Inc (USA)
SC4 United Transformer Co
SH3376 Magnetika Inc (USA)
SH3376 United Transformer Corp Sub of Opt Industries Inc (USA)
SC4 Magnetika Inc (USA)
Related Parts
5340-00-034-7948INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
SC4
6635-00-056-1007INTERCHANGEABLE
CALIBRATOR,SENSITIV
3655-00-174-1726INTERCHANGEABLE
RECHARGING UNIT,CARBON DIOXIDE,P
5935-00-201-8357INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
SC4
5360-00-310-6632INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
2098
4320-00-398-9320INTERCHANGEABLE
ROD,TAIL
BS-1193 PIECE 91
5340-00-480-6054INTERCHANGEABLE
KEY BLANK
145A
5961-00-988-3991INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
S4M
5950-01-220-6410INTERCHANGEABLE
COIL,RADIO FREQUENCY
11442428
6015-01-433-2760INTERCHANGEABLE
CABLE,FIBER OPTIC
SC-4
3110-01-473-6073INTERCHANGEABLE
COLLAR,BEARING
SC-4
5920-01-533-2090INTERCHANGEABLE
FUSE,CARTRIDGE
SC-4

Frequently Asked Questions

What is NSN 5950-00-645-3602?

NSN 5950-00-645-3602 is a Transformer,power, manufactured by United Transformer Corp Sub of Opt Industries Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-645-3602?

NSN 5950-00-645-3602 has 8 cross-referenced part numbers: SC4 (United Transformer Corp Sub of Opt Industries Inc), SC4 (Marine Acquisition (us) Incorporated Div Prime Line Industrial Controls), SC4 (Incom Intl Inc Morse Controls Div), 23V41 (Thordarson Inc), SC4 (United Transformer Co) and 3 more.

What NSN replaces 5950-00-645-3602?

There are 12 known substitutes for 5950-00-645-3602: 5340-00-034-7948, 6635-00-056-1007, 3655-00-174-1726 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SC4?

Key specifications for SC4: Mounting Hole Diameter: 0.125 INCHES NOMINAL SINGLE GROUP IN; Terminal Type and Quantity: 7 THREADED STUD AND 2 WIRE LEAD; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Body Length: 3.250 INCHES NOMINAL IN. 17 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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