PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8712803Transformer,power

Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss) · NSN 5950-00-410-5142 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-410-5142 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-410-5142. Primary manufacturer part number: 8712803.
Features
  • Transformer,power — FSC 5950
  • Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN
  • Terminal Type and Quantity: 6 TAB, SOLDER LUG
  • Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT
  • Body Height: 2.950 INCHES MAXIMUM IN
  • Reliability Indicator: NOT ESTABLISHED
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.960 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP 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 5950-00-410-5142, 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 Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss). Government technical data includes 21 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: Active.

Technical Specifications
ParameterValue
NSN5950-00-410-5142
Primary Part Number8712803
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerAir Force Lifecycle Management Center Electronic Components (aflcmc/ezss)
StatusACTIVE
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Terminal Type and Quantity6 TAB, SOLDER LUG
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Body Height2.950 INCHES MAXIMUM IN
Reliability IndicatorNOT ESTABLISHED
Center to Center Distance Between Mounting Facilities Parallel to Length1.960 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Transformer Winding Connection TypeWYE-WYE
Maximum Operating Temp170.0 CELSIUS DEGC
Maximum Transformer Power Rating381.9 VOLT-AMPERE SINGLE COMPONENT
Body Width2.200 INCHES MAXIMUM IN
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting Facility Quantity4 SINGLE GROUP
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Winding Operating Voltage2.76 AC KILOVOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Width1.640 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Length3.550 INCHES MAXIMUM IN
Winding Operating Current80.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Inclosure TypeFULLY INCLOSED
Input-Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-224-73305120-00-224-7330 INTERCHANGEABLE
Jack,hydraulic,hand
General Services Administration Federal Supply Service
9540-00-251-263360-4046 INTERCHANGEABLE
Angle,structural
Transtar Metals Corp
5995-00-327-469550311 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Alliant Techsystems Operations Llc Div Defense Electronic Systems
4820-00-486-8043 INTERCHANGEABLE
Valve,linear,directional Control
3010-00-488-8543 INTERCHANGEABLE
Coupling,shaft,flexible
1710-00-600-20665031-1 INTERCHANGEABLE
Scraper
Eaton Corporation Dba Jackson Plant
6105-00-660-8165 INTERCHANGEABLE
Cover,electric Motor
4730-00-869-163150311 INTERCHANGEABLE
Fitting,stop
Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit
5331-01-067-344550311 INTERCHANGEABLE
O-Ring
Paccar Winch Inc Dba Paccar Winch Division
4730-01-092-1904 INTERCHANGEABLE
Clamp,hose
Cross-Reference Index
Part NumberManufacturer
666748-1 Raytheon Company Dba Raytheon (USA)
8712803 PRIMARY Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss) (USA)
8712803 Thordarson Inc (USA)
50311 Coiltron Inc Div Coiltron (USA)
Related Parts
5120-00-224-7330INTERCHANGEABLE
JACK,HYDRAULIC,HAND
5120-00-224-7330
9540-00-251-2633INTERCHANGEABLE
ANGLE,STRUCTURAL
60-4046
5995-00-327-4695INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
50311
4820-00-486-8043INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
3010-00-488-8543INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
1710-00-600-2066INTERCHANGEABLE
SCRAPER
5031-1
6105-00-660-8165INTERCHANGEABLE
COVER,ELECTRIC MOTOR
4730-00-869-1631INTERCHANGEABLE
FITTING,STOP
50311
5331-01-067-3445INTERCHANGEABLE
O-RING
50311
4730-01-092-1904INTERCHANGEABLE
CLAMP,HOSE
1680-01-312-6219INTERCHANGEABLE
COUPLING,REFUELING
61520-2
6120-01-669-8807INTERCHANGEABLE
TRANSFORMER,POWER
50311

Frequently Asked Questions

What is NSN 5950-00-410-5142?

NSN 5950-00-410-5142 is a Transformer,power, manufactured by Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss), classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-410-5142?

NSN 5950-00-410-5142 has 4 cross-referenced part numbers: 666748-1 (Raytheon Company Dba Raytheon), 8712803 (Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss)), 8712803 (Thordarson Inc), 50311 (Coiltron Inc Div Coiltron).

What NSN replaces 5950-00-410-5142?

There are 12 known substitutes for 5950-00-410-5142: 5120-00-224-7330, 9540-00-251-2633, 5995-00-327-4695 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8712803?

Key specifications for 8712803: Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN; Terminal Type and Quantity: 6 TAB, SOLDER LUG; Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT; Body Height: 2.950 INCHES MAXIMUM IN. 21 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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