PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6503Transformer,power

Imperial · NSN 5950-00-647-5707 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-647-5707 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-647-5707. Primary manufacturer part number: 6503.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Current: 6.3 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
  • Body Height: 5.312 INCHES NOMINAL IN
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Winding Operating Voltage: 10.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Terminal Type and Quantity: 9 THREADED STUD
  • Body Width: 4.312 INCHES NOMINAL IN
  • Winding Operating Voltage: 210.00 AC VOLTS NOMINAL AND 220.00 AC VOLTS NOMINAL AND 230.00 AC VOLTS NOMINAL AND 240.00 AC VOLTS NOMINAL AND 250.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-647-5707, 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 Imperial. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN5950-00-647-5707
Primary Part Number6503
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerImperial
StatusCANCELLED
Winding Operating Current6.3 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Body Height5.312 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Winding Operating Voltage10.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Terminal Type and Quantity9 THREADED STUD
Body Width4.312 INCHES NOMINAL IN
Winding Operating Voltage210.00 AC VOLTS NOMINAL AND 220.00 AC VOLTS NOMINAL AND 230.00 AC VOLTS NOMINAL AND 240.00 AC VOLTS NOMINAL AND 250.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Center to Center Distance Between Mounting Facilities Parallel to Length4.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Frequency Rating50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Mounting Facility Quantity4 SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Center to Center Distance Between Mounting Facilities Parallel to Width2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Body Length4.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-043-22296503 INTERCHANGEABLE
Nut,plain,hexagon
International Business Machines Corp Parts Order Center Dept E - 54
3110-00-100-6150 INTERCHANGEABLE
Ball,bearing
5305-00-206-16656503 INTERCHANGEABLE
Screw,cap,hexagon Head
Hyster-Yale Group, Inc.
5975-00-284-69762523 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
4920-00-334-4807 INTERCHANGEABLE
Fixture,aircraft Maintenance
6520-00-523-1120 INTERCHANGEABLE
Wheel,abrasive
6695-00-564-9500 INTERCHANGEABLE
Tester,oxygen Mask
1680-00-590-37696503 INTERCHANGEABLE
Parts Kit,actuator
Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc
5960-01-061-1774 INTERCHANGEABLE
Electron Tube
3920-01-111-01496503 INTERCHANGEABLE
Truck,hand
Matheson Co Div of G D Searle Medical Products
Cross-Reference Index
Part NumberManufacturer
6503 Imperial (USA)
6503 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
672-1101-00 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
6503 Emerson Electric Co White-Rodgers Div (USA)
Related Parts
5310-00-043-2229INTERCHANGEABLE
NUT,PLAIN,HEXAGON
6503
3110-00-100-6150INTERCHANGEABLE
BALL,BEARING
5305-00-206-1665INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
6503
5975-00-284-6976INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
2523
4920-00-334-4807INTERCHANGEABLE
FIXTURE,AIRCRAFT MAINTENANCE
6520-00-523-1120INTERCHANGEABLE
WHEEL,ABRASIVE
6695-00-564-9500INTERCHANGEABLE
TESTER,OXYGEN MASK
1680-00-590-3769INTERCHANGEABLE
PARTS KIT,ACTUATOR
6503
5960-01-061-1774INTERCHANGEABLE
ELECTRON TUBE
3920-01-111-0149INTERCHANGEABLE
TRUCK,HAND
6503
2530-01-152-7888INTERCHANGEABLE
ADJUSTER,SLACK,BRAKE
KN47011
7310-01-229-2155INTERCHANGEABLE
CABINET,FOOD WARMING,STEAM HEATE
1034-DD

Frequently Asked Questions

What is NSN 5950-00-647-5707?

NSN 5950-00-647-5707 is a Transformer,power, manufactured by Imperial, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-647-5707?

NSN 5950-00-647-5707 has 4 cross-referenced part numbers: 6503 (Imperial), 6503 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 672-1101-00 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 6503 (Emerson Electric Co White-Rodgers Div).

What NSN replaces 5950-00-647-5707?

There are 12 known substitutes for 5950-00-647-5707: 5310-00-043-2229, 3110-00-100-6150, 5305-00-206-1665 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6503?

Key specifications for 6503: Winding Operating Current: 6.3 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY; Body Height: 5.312 INCHES NOMINAL IN; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Winding Operating Voltage: 10.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-647-5707 still in active supply?

NSN 5950-00-647-5707 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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