PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MB241DTransformer,power

Ballantine Laboratories Inc · NSN 5950-00-681-7098 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-681-7098 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-681-7098. Primary manufacturer part number: MB241D.
Features
  • Transformer,power — FSC 5950
  • Body Length: 3.375 INCHES MAXIMUM IN
  • Winding Operating Current: UNABLE TO DECODE1.0 AMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
  • Winding Operating Current: UNABLE TO DECODE250.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY
  • Winding Operating Current: UNABLE TO DECODE50.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
  • Winding Shielding Method: INTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENTUNABLE TO DECODE
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 2.062 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUPUNABLE TO DECODE IN
  • Winding Operating Voltage: UNABLE TO DECODE250.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND PRIMARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-681-7098, 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 Ballantine Laboratories Inc. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-681-7098
Primary Part NumberMB241D
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerBallantine Laboratories Inc
StatusACTIVE
Body Length3.375 INCHES MAXIMUM IN
Winding Operating CurrentUNABLE TO DECODE1.0 AMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Winding Operating CurrentUNABLE TO DECODE250.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY
Winding Operating CurrentUNABLE TO DECODE50.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENTUNABLE TO DECODE
Center to Center Distance Between Mounting Facilities Parallel to Width2.062 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUPUNABLE TO DECODE IN
Winding Operating VoltageUNABLE TO DECODE250.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND PRIMARY
Mounting Facility Quantity4 SINGLE GROUPUNABLE TO DECODE
Winding Operating Voltage6.30 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Reliability IndicatorNOT ESTABLISHED
Winding Operating Voltage6.70 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY
Mounting MethodTHREADED STUD(S) SINGLE GROUPUNABLE TO DECODE
Nominal Thread Size0.138 INCHES SINGLE GROUPUNABLE TO DECODE IN
Winding Operating CurrentUNABLE TO DECODE600.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Inclosure TypePARTIALLY INCLOSED, DOUBLE SHELL
Winding Operating VoltageUNABLE TO DECODE125.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST PRIMARY
Thread Quantity Per Inch32 SINGLE GROUPUNABLE TO DECODE
Winding Operating VoltageUNABLE TO DECODE6.30 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Length2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUPUNABLE TO DECODE IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENTUNABLE TO DECODE
Winding Operating VoltageUNABLE TO DECODE560.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Winding Operating VoltageUNABLE TO DECODE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Terminal Type and Quantity13 WIRE LEAD
Winding Operating VoltageUNABLE TO DECODE
Body Height2.500 INCHES NOMINAL IN
Thread Series DesignatorUNABLE TO DECODE
Body Width3.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3930-00-175-4702 INTERCHANGEABLE
Mast,first Stage
5310-00-205-88707951 INTERCHANGEABLE
Washer,flat
Cummins Inc.
5330-00-362-234675061 INTERCHANGEABLE
Gasket
H20 Tank Inc U S Motors Div
2920-00-371-4696 INTERCHANGEABLE
Cup,drive,machine
7025-00-460-5418 INTERCHANGEABLE
Interface Units,16d
5136-00-616-7299B6167299 INTERCHANGEABLE
Tap,thread Cleaning
Army, United States Department of the Dba Watervliet Arsenal Div Business Development
6685-00-846-3284G786 INTERCHANGEABLE
Thermometer,self-Indicating,bime
Reotemp Instrument Corporation
2920-00-851-7743R11292 INTERCHANGEABLE
Relay-Solenoid,engine Starter,el
Deere & Company Dba Deere John Co
6230-01-504-39617951 INTERCHANGEABLE
Spotlight
Golight, Inc
4810-01-619-17117951 INTERCHANGEABLE
Diaphragm,actuator Valve,special
Dyna-Empire Inc
Cross-Reference Index
Part NumberManufacturer
79-51 Magnetic Windings Company Inc (USA)
3030 Ballantine Laboratories Inc (USA)
MB241D PRIMARY Ballantine Laboratories Inc (USA)
Related Parts
3930-00-175-4702INTERCHANGEABLE
MAST,FIRST STAGE
5310-00-205-8870INTERCHANGEABLE
WASHER,FLAT
7951
5330-00-362-2346INTERCHANGEABLE
GASKET
75061
2920-00-371-4696INTERCHANGEABLE
CUP,DRIVE,MACHINE
7025-00-460-5418INTERCHANGEABLE
INTERFACE UNITS,16D
5136-00-616-7299INTERCHANGEABLE
TAP,THREAD CLEANING
B6167299
6685-00-846-3284INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,BIME
G786
2920-00-851-7743INTERCHANGEABLE
RELAY-SOLENOID,ENGINE STARTER,EL
R11292
6230-01-504-3961INTERCHANGEABLE
SPOTLIGHT
7951
4810-01-619-1711INTERCHANGEABLE
DIAPHRAGM,ACTUATOR VALVE,SPECIAL
7951

Frequently Asked Questions

What is NSN 5950-00-681-7098?

NSN 5950-00-681-7098 is a Transformer,power, manufactured by Ballantine Laboratories Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-681-7098?

NSN 5950-00-681-7098 has 3 cross-referenced part numbers: 79-51 (Magnetic Windings Company Inc), 3030 (Ballantine Laboratories Inc), MB241D (Ballantine Laboratories Inc).

What NSN replaces 5950-00-681-7098?

There are 10 known substitutes for 5950-00-681-7098: 3930-00-175-4702, 5310-00-205-8870, 5330-00-362-2346 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MB241D?

Key specifications for MB241D: Body Length: 3.375 INCHES MAXIMUM IN; Winding Operating Current: UNABLE TO DECODE1.0 AMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY; Winding Operating Current: UNABLE TO DECODE250.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY; Winding Operating Current: UNABLE TO DECODE50.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST 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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