PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S1246494Transformer,power

Westinghouse Electric Corp · NSN 5950-00-645-8048 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-645-8048 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-645-8048. Primary manufacturer part number: S1246494.
Features
  • Transformer,power — FSC 5950
  • Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
  • Winding Operating Voltage: 450.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Winding Operating Voltage: 6.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Body Width: 2.000 INCHES MINIMUM AND 2.125 INCHES MAXIMUM IN
  • Winding Operating Current: 1.67 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
  • Inclosure Type: PARTIALLY INCLOSED, DOUBLE SHELL
  • Mounting Hole Diameter: 0.170 INCHES NOMINAL 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 5950-00-645-8048, 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 Westinghouse Electric Corp. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5950-00-645-8048
Primary Part NumberS1246494
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerWestinghouse Electric Corp
StatusACTIVE
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Winding Operating Voltage450.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Voltage6.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Body Width2.000 INCHES MINIMUM AND 2.125 INCHES MAXIMUM IN
Winding Operating Current1.67 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Inclosure TypePARTIALLY INCLOSED, DOUBLE SHELL
Mounting Hole Diameter0.170 INCHES NOMINAL SINGLE GROUP IN
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length1.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Terminal Type and Quantity2 THREADED STUD AND 2 WIRE LEAD
Mounting Facility Quantity4 SINGLE GROUP
Body Length2.937 INCHES MINIMUM AND 2.968 INCHES MAXIMUM IN
Body Height3.000 INCHES MINIMUM AND 3.125 INCHES MAXIMUM IN
Center to Center Distance Between Mounting Facilities Parallel to Width1.688 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4720-00-176-46371339 INTERCHANGEABLE
Hose,special
Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp
2520-00-620-3814PC-1339 INTERCHANGEABLE
Disk,clutch,vehicular
Cmbf Products Inc
2090-00-779-58631339 INTERCHANGEABLE
Window,heated,electrical
Cornell-Carr Co., Inc.
2815-00-790-9281509-0008 INTERCHANGEABLE
Oil Seal,governor
Cummins Power Generation Inc.
4510-00-919-266013200E8812 INTERCHANGEABLE
Weight,check Valve,small
Cecom Lr Center
5841-00-927-6358 INTERCHANGEABLE
Amplifier,different
5340-00-975-15921339 INTERCHANGEABLE
Bumper
Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware
5340-01-119-7927 INTERCHANGEABLE
Cap
5970-01-129-4606P247 3/4INX60YD INTERCHANGEABLE
Tape,insulation,electrical
Nitto, Inc.
4720-01-168-9983 INTERCHANGEABLE
Hose Assembly,nonmetallic
Cross-Reference Index
Part NumberManufacturer
1339 Gettysburg Engineering Co Inc (USA)
S1246494 Westinghouse Electric Corp Control Business Unit
S1246494 PRIMARY Westinghouse Electric Corp (USA)
Related Parts
4720-00-176-4637INTERCHANGEABLE
HOSE,SPECIAL
1339
2520-00-620-3814INTERCHANGEABLE
DISK,CLUTCH,VEHICULAR
PC-1339
2090-00-779-5863INTERCHANGEABLE
WINDOW,HEATED,ELECTRICAL
1339
2815-00-790-9281INTERCHANGEABLE
OIL SEAL,GOVERNOR
509-0008
4510-00-919-2660INTERCHANGEABLE
WEIGHT,CHECK VALVE,SMALL
13200E8812
5841-00-927-6358INTERCHANGEABLE
AMPLIFIER,DIFFERENT
5340-00-975-1592INTERCHANGEABLE
BUMPER
1339
5340-01-119-7927INTERCHANGEABLE
CAP
5970-01-129-4606INTERCHANGEABLE
TAPE,INSULATION,ELECTRICAL
P247 3/4INX60YD
4720-01-168-9983INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4440-01-276-0037INTERCHANGEABLE
DESICCANT CONTAINER,DEHUMIDIFIER
1339
3120-01-283-1628INTERCHANGEABLE
BUSHING,SLEEVE

Frequently Asked Questions

What is NSN 5950-00-645-8048?

NSN 5950-00-645-8048 is a Transformer,power, manufactured by Westinghouse Electric Corp, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-645-8048?

NSN 5950-00-645-8048 has 3 cross-referenced part numbers: 1339 (Gettysburg Engineering Co Inc), S1246494 (Westinghouse Electric Corp Control Business Unit), S1246494 (Westinghouse Electric Corp).

What NSN replaces 5950-00-645-8048?

There are 12 known substitutes for 5950-00-645-8048: 4720-00-176-4637, 2520-00-620-3814, 2090-00-779-5863 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S1246494?

Key specifications for S1246494: Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP; Winding Operating Voltage: 450.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Winding Operating Voltage: 6.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY; Body Width: 2.000 INCHES MINIMUM AND 2.125 INCHES MAXIMUM 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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