PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BC2191Transformer,power

Ballastran Corp · NSN 5950-00-803-2066 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-803-2066 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-803-2066. Primary manufacturer part number: BC2191.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Voltage: 150.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Mounting Method: THREADED HOLE(S) SINGLE GROUP
  • Mounting Facility Quantity: 2 SINGLE GROUP
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Operating Voltage: 24.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST PRIMARY
  • Winding Operating Current: 70.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-803-2066, 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 Ballastran Corp. Government technical data includes 19 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-803-2066
Primary Part NumberBC2191
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerBallastran Corp
StatusACTIVE
Winding Operating Voltage150.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Mounting Facility Quantity2 SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Winding Operating Voltage24.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST PRIMARY
Winding Operating Current70.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Thread Quantity Per Inch40 SINGLE GROUP
Body Height1.500 INCHES NOMINAL IN
Inclosure TypeHERMETICALLY SEALED
Terminal Type and Quantity9 TAB, SOLDER LUG
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Function and Quantity2 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Nominal Thread Size0.112 INCHES SINGLE GROUP IN
Winding Operating Voltage14.00 AC VOLTS NOMINAL AND 28.50 AC VOLTS NOMINAL SINGLE COMPONENT SECOND PRIMARY
Body Width1.375 INCHES NOMINAL IN
Body Length1.500 INCHES NOMINAL IN
Frequency Rating1.0 KILOHERTZ MINIMUM AND 3.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Distance Between Mounting Facility Centers0.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5961-00-112-3399 INTERCHANGEABLE
Transistor
5310-00-185-6486 INTERCHANGEABLE
Nut,plain,round
5340-00-965-768740409 INTERCHANGEABLE
Cover,access
Eaton Corporation Dba Eaton Inoac
5365-01-334-133840409 INTERCHANGEABLE
Spacer,plate
Fleet Readiness Center East Div Department of Navy
6645-01-421-550740409 INTERCHANGEABLE
Timer,cleaner,ultra
L & R Manufacturing Company
2610-01-576-4063 INTERCHANGEABLE
Inner Tube,pneumatic Tire,vehicu
5120-01-604-49164040-9 INTERCHANGEABLE
Step Plate,mechanical Puller
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5995-01-700-085540409 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Cables to Go
Cross-Reference Index
Part NumberManufacturer
BC2191 Ballastran Corp (USA)
674-5015-00 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
59T11C1762 Omega Associates, Inc. Dba Omega Associates Inc (USA)
40409 Freed Transformer Co (USA)
Related Parts
5961-00-112-3399INTERCHANGEABLE
TRANSISTOR
5310-00-185-6486INTERCHANGEABLE
NUT,PLAIN,ROUND
5340-00-965-7687INTERCHANGEABLE
COVER,ACCESS
40409
5365-01-334-1338INTERCHANGEABLE
SPACER,PLATE
40409
6645-01-421-5507INTERCHANGEABLE
TIMER,CLEANER,ULTRA
40409
2610-01-576-4063INTERCHANGEABLE
INNER TUBE,PNEUMATIC TIRE,VEHICU
5120-01-604-4916INTERCHANGEABLE
STEP PLATE,MECHANICAL PULLER
4040-9
5995-01-700-0855INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
40409

Frequently Asked Questions

What is NSN 5950-00-803-2066?

NSN 5950-00-803-2066 is a Transformer,power, manufactured by Ballastran Corp, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-803-2066?

NSN 5950-00-803-2066 has 4 cross-referenced part numbers: BC2191 (Ballastran Corp), 674-5015-00 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 59T11C1762 (Omega Associates, Inc. Dba Omega Associates Inc), 40409 (Freed Transformer Co).

What NSN replaces 5950-00-803-2066?

There are 8 known substitutes for 5950-00-803-2066: 5961-00-112-3399, 5310-00-185-6486, 5340-00-965-7687 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BC2191?

Key specifications for BC2191: Winding Operating Voltage: 150.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY; Mounting Method: THREADED HOLE(S) SINGLE GROUP; Mounting Facility Quantity: 2 SINGLE GROUP; Reliability Indicator: NOT ESTABLISHED. 19 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com