PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MB-100-1961-10Transformer,power

Kepco, Inc. Dba Kepco Inc Div Kepco Dynatronix · NSN 5950-01-069-2571 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-069-2571 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-069-2571. Primary manufacturer part number: MB-100-1961-10.
Features
  • Transformer,power — FSC 5950
  • Winding Power Rating: 1.4 VOLTS-AMPERES SINGLE COMPONENT SECOND SECONDARY
  • Body Length: 1.625 INCHES MINIMUM AND 1.657 INCHES MAXIMUM IN
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Maximum Transformer Power Rating: 3.1 VOLT-AMPERE SINGLE COMPONENT
  • Winding Function and Quantity: 1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
  • Distance Between Mounting Facility Centers: 1.995 INCHES MINIMUM AND 2.005 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Body Width: 1.797 INCHES MINIMUM AND 1.829 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-069-2571, 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 Kepco, Inc. Dba Kepco Inc Div Kepco Dynatronix. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-069-2571
Primary Part NumberMB-100-1961-10
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerKepco, Inc. Dba Kepco Inc Div Kepco Dynatronix
StatusACTIVE
Winding Power Rating1.4 VOLTS-AMPERES SINGLE COMPONENT SECOND SECONDARY
Body Length1.625 INCHES MINIMUM AND 1.657 INCHES MAXIMUM IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Maximum Transformer Power Rating3.1 VOLT-AMPERE SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Distance Between Mounting Facility Centers1.995 INCHES MINIMUM AND 2.005 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Width1.797 INCHES MINIMUM AND 1.829 INCHES MAXIMUM IN
Body Height1.922 INCHES MINIMUM AND 1.954 INCHES MAXIMUM IN
Winding Operating Current14.0 MILLIAMPERES DC NOMINAL SINGLE COMPONENT FIRST SECONDARY
Winding Operating Current1.5 MILLIAMPERES DC NOMINAL SINGLE COMPONENT THIRD SECONDARY
Winding Operating Current35.0 MILLIAMPERES DC NOMINAL SINGLE COMPONENT SECOND SECONDARY
Winding Operating Voltage40.00 DC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Winding Operating Voltage117.00 DC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Features ProvidedCOLOR CODED LEAD
Mounting Hole Diameter0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM SINGLE GROUP IN
Terminal Type and Quantity9 WIRE LEAD W/LUG
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Mounting Facility Quantity2 SINGLE GROUP
Winding Power Rating1.6 VOLTS-AMPERES SINGLE COMPONENT FIRST SECONDARY
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Voltage41.00 DC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT
Winding Power Rating0.1 VOLTS-AMPERES SINGLE COMPONENT THIRD SECONDARY
Frequency Rating50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3940-01-142-482405-05 INTERCHANGEABLE
Block,tackle
Schaefer Marine, Inc.
6240-01-397-184510-0196-1 INTERCHANGEABLE
Lamp,incandescent
Ace Aeronautics Llc
Cross-Reference Index
Part NumberManufacturer
MB-100-1961-10 PRIMARY Kepco, Inc. Dba Kepco Inc Div Kepco Dynatronix (USA)
100-1961 Kepco, Inc. Dba Kepco Inc Div Kepco Dynatronix (USA)
Related Parts
3940-01-142-4824INTERCHANGEABLE
BLOCK,TACKLE
05-05
6240-01-397-1845INTERCHANGEABLE
LAMP,INCANDESCENT
10-0196-1

Frequently Asked Questions

What is NSN 5950-01-069-2571?

NSN 5950-01-069-2571 is a Transformer,power, manufactured by Kepco, Inc. Dba Kepco Inc Div Kepco Dynatronix, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-069-2571?

NSN 5950-01-069-2571 has 2 cross-referenced part numbers: MB-100-1961-10 (Kepco, Inc. Dba Kepco Inc Div Kepco Dynatronix), 100-1961 (Kepco, Inc. Dba Kepco Inc Div Kepco Dynatronix).

What NSN replaces 5950-01-069-2571?

There are 2 known substitutes for 5950-01-069-2571: 3940-01-142-4824, 6240-01-397-1845. Verify interchangeability with system specifications before substitution.

What are the specifications of MB-100-1961-10?

Key specifications for MB-100-1961-10: Winding Power Rating: 1.4 VOLTS-AMPERES SINGLE COMPONENT SECOND SECONDARY; Body Length: 1.625 INCHES MINIMUM AND 1.657 INCHES MAXIMUM IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Maximum Transformer Power Rating: 3.1 VOLT-AMPERE SINGLE COMPONENT. 27 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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