PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7143-100Transformer,power

B.c. Systems Inc. Dba Bc Systems Inc · NSN 5950-00-994-9209 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-994-9209 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-994-9209. Primary manufacturer part number: 7143-100.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Operating Voltage: 295.50 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 2.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Operating Current: 4.0 AMPERES AC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Operating Current: 100.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
  • Mounting Facility Quantity: 4 SECOND GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-994-9209, 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 B.c. Systems Inc. Dba Bc Systems Inc. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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: Active.

Technical Specifications
ParameterValue
NSN5950-00-994-9209
Primary Part Number7143-100
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerB.c. Systems Inc. Dba Bc Systems Inc
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Winding Operating Voltage295.50 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Width2.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current4.0 AMPERES AC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Length3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current100.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Mounting Facility Quantity4 SECOND GROUP
Mounting MethodTHREADED HOLE(S) AND THREADED STUD(S) SINGLE GROUP
Winding Operating Current100.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Winding Function and Quantity1 PRIMARY AND 4 SECONDARY SINGLE COMPONENT
Inclosure TypeHERMETICALLY SEALED
Thread Quantity Per Inch32 ALL GROUPINGS
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Current4.0 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Mounting Facility Quantity4 FIRST GROUP
Body Height4.125 INCHES MINIMUM AND 4.312 INCHES MAXIMUM IN
Terminal Type and Quantity12 TAB, SOLDER LUG
Maximum Operating Temp80.0 CELSIUS DEGC
Winding Operating Voltage27.50 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Thread Series DesignatorUNF ALL GROUPINGS
Winding Operating Voltage120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Voltage29.50 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
Winding Operating Voltage27.50 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Nominal Thread Size0.190 INCHES ALL GROUPINGS IN
Body Length3.812 INCHES MINIMUM AND 3.938 INCHES MAXIMUM IN
Body Width3.188 INCHES MINIMUM AND 3.375 INCHES MAXIMUM IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5915-00-155-758045353 INTERCHANGEABLE
Filter,radio Frequency Interfere
Cornell-Dubilier Marketing Inc
5305-00-207-4224520011966 INTERCHANGEABLE
Screw,shoulder
Telemechanics Inc
5999-00-224-59041196 INTERCHANGEABLE
Contact,electrical
Prestolite Electric Inc
6240-00-295-2729 INTERCHANGEABLE
Lamp,incandescent
6150-00-371-32751196 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Champion Aerospace Llc
3030-00-436-3067AX60 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
5310-00-514-81021196 INTERCHANGEABLE
Nut,plain,hexagon
Dialight Corporation
5905-00-762-5530 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
5360-01-024-3726 INTERCHANGEABLE
Spring,helical,compression
5340-01-076-54991196 INTERCHANGEABLE
Bumper
Leidos, Inc. Div Cyber and Information Solutions Services
Cross-Reference Index
Part NumberManufacturer
1196 S and H Industries (USA)
7143-100 PRIMARY B.c. Systems Inc. Dba Bc Systems Inc (USA)
Related Parts
5915-00-155-7580INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
45353
5305-00-207-4224INTERCHANGEABLE
SCREW,SHOULDER
520011966
5999-00-224-5904INTERCHANGEABLE
CONTACT,ELECTRICAL
1196
6240-00-295-2729INTERCHANGEABLE
LAMP,INCANDESCENT
6150-00-371-3275INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
1196
3030-00-436-3067INTERCHANGEABLE
BELT,V
AX60
5310-00-514-8102INTERCHANGEABLE
NUT,PLAIN,HEXAGON
1196
5905-00-762-5530INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
5360-01-024-3726INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5340-01-076-5499INTERCHANGEABLE
BUMPER
1196
6515-01-112-1693INTERCHANGEABLE
BRACE,KNEE
1-196
4140-01-239-7507INTERCHANGEABLE
FAN,TUBEAXIAL
7143100

Frequently Asked Questions

What is NSN 5950-00-994-9209?

NSN 5950-00-994-9209 is a Transformer,power, manufactured by B.c. Systems Inc. Dba Bc Systems Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-994-9209?

NSN 5950-00-994-9209 has 2 cross-referenced part numbers: 1196 (S and H Industries), 7143-100 (B.c. Systems Inc. Dba Bc Systems Inc).

What NSN replaces 5950-00-994-9209?

There are 12 known substitutes for 5950-00-994-9209: 5915-00-155-7580, 5305-00-207-4224, 5999-00-224-5904 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7143-100?

Key specifications for 7143-100: Reliability Indicator: NOT ESTABLISHED; Winding Operating Voltage: 295.50 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY; Center to Center Distance Between Mounting Facilities Parallel to Width: 2.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Winding Operating Current: 4.0 AMPERES AC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY. 29 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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