PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10641Transformer,power

Electro Engineering Works Inc · NSN 5950-00-774-6491 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-774-6491 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-774-6491. Primary manufacturer part number: 10641.
Features
  • Transformer,power — FSC 5950
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Frequency Rating: 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM SINGLE COMPONENT
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 7.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 9.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Mounting Facility Quantity: 8 SINGLE GROUP
  • Body Width: 9.500 INCHES MAXIMUM IN
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-774-6491, 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 Electro Engineering Works Inc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-774-6491
Primary Part Number10641
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerElectro Engineering Works Inc
StatusCANCELLED
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Frequency Rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width7.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Length9.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Facility Quantity8 SINGLE GROUP
Body Width9.500 INCHES MAXIMUM IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Winding Power Rating5.1 KILOVOLT-AMPERES SINGLE COMPONENT SINGLE SECONDARY
Winding Shielding MethodEXTERNAL INCLOSURE SINGLE COMPONENT
Maximum Operating Temp105.0 CELSIUS DEGC
Mounting Hole Diameter0.438 INCHES NOMINAL SINGLE GROUP IN
Body Height12.812 INCHES NOMINAL IN
Winding Operating Voltage3.40 AC KILOVOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Winding Operating Current1.13 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Terminal Type and Quantity10 SCREW
Inclosure TypeFULLY INCLOSED
Body Length11.250 INCHES MAXIMUM IN
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5935-00-432-65351064-1 INTERCHANGEABLE
Connector,receptacle,electrical
Winchester Interconnect Corporation
5930-00-592-149710-641 INTERCHANGEABLE
Parts Kit,switch
Patriot Sensors & Controls Corp Div Measurement & Calibration Technologies
1560-00-772-027810641 INTERCHANGEABLE
Tube,drag Brace
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
5950-01-049-2447 INTERCHANGEABLE
Transformer,special
6625-01-159-79584690-2 INTERCHANGEABLE
Adapter,test
Fluke Electronics Corp
5935-01-396-3989 INTERCHANGEABLE
Dummy Connector,plug
6640-01-439-967310641 INTERCHANGEABLE
Paper,recording,clinical Analyze
Nova Biomedical Corp
5945-01-497-05491064-1 INTERCHANGEABLE
Solenoid,electrical
Tru-Hitch, Inc.
5920-01-501-2294 INTERCHANGEABLE
Arrester,lightning
6525-01-571-7197453567061821 INTERCHANGEABLE
Spectacles,protective,computed T
Phillips Medical Systems North America Co
Cross-Reference Index
Part NumberManufacturer
672-1438-00 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
672-0340-010 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
E10641B Electro Engineering Works Inc (USA)
10641 PRIMARY Electro Engineering Works Inc (USA)
Related Parts
5935-00-432-6535INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
1064-1
5930-00-592-1497INTERCHANGEABLE
PARTS KIT,SWITCH
10-641
1560-00-772-0278INTERCHANGEABLE
TUBE,DRAG BRACE
10641
5950-01-049-2447INTERCHANGEABLE
TRANSFORMER,SPECIAL
6625-01-159-7958INTERCHANGEABLE
ADAPTER,TEST
4690-2
5935-01-396-3989INTERCHANGEABLE
DUMMY CONNECTOR,PLUG
6640-01-439-9673INTERCHANGEABLE
PAPER,RECORDING,CLINICAL ANALYZE
10641
5945-01-497-0549INTERCHANGEABLE
SOLENOID,ELECTRICAL
1064-1
5920-01-501-2294INTERCHANGEABLE
ARRESTER,LIGHTNING
6525-01-571-7197INTERCHANGEABLE
SPECTACLES,PROTECTIVE,COMPUTED T
453567061821
8105-01-663-8451INTERCHANGEABLE
BAG,TEXTILE
10641
2530-01-699-6449INTERCHANGEABLE
CABLE AND CONDUIT ASSEMBLY,VEHIC
1064-1

Frequently Asked Questions

What is NSN 5950-00-774-6491?

NSN 5950-00-774-6491 is a Transformer,power, manufactured by Electro Engineering Works Inc, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-774-6491?

NSN 5950-00-774-6491 has 4 cross-referenced part numbers: 672-1438-00 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 672-0340-010 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), E10641B (Electro Engineering Works Inc), 10641 (Electro Engineering Works Inc).

What NSN replaces 5950-00-774-6491?

There are 12 known substitutes for 5950-00-774-6491: 5935-00-432-6535, 5930-00-592-1497, 1560-00-772-0278 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10641?

Key specifications for 10641: Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Frequency Rating: 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM SINGLE COMPONENT; Center to Center Distance Between Mounting Facilities Parallel to Width: 7.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Center to Center Distance Between Mounting Facilities Parallel to Length: 9.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-774-6491 still in active supply?

NSN 5950-00-774-6491 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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