PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

120-0140-00Transformer,power

Tektronix, Inc. · NSN 5950-00-989-0972 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-989-0972 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-989-0972. Primary manufacturer part number: 120-0140-00.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Frequency Rating: 50.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM SINGLE COMPONENT
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Thread Series Designator: UNF SINGLE GROUP
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 3.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Function and Quantity: 2 PRIMARY AND 12 SECONDARY SINGLE COMPONENT
  • Body Length: 4.750 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-989-0972, 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 Tektronix, Inc.. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-989-0972
Primary Part Number120-0140-00
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerTektronix, Inc.
StatusCANCELLED
Reliability IndicatorNOT ESTABLISHED
Frequency Rating50.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM SINGLE COMPONENT
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Thread Series DesignatorUNF SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Width3.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Function and Quantity2 PRIMARY AND 12 SECONDARY SINGLE COMPONENT
Body Length4.750 INCHES NOMINAL IN
Nominal Thread Size0.190 INCHES SINGLE GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Length4.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
Body Width4.500 INCHES NOMINAL IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Terminal Type and Quantity29 SOLDER STUD
Inclosure TypePARTIALLY INCLOSED, DOUBLE SHELL
Thread Quantity Per Inch32 SINGLE GROUP
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5930-00-022-4046 INTERCHANGEABLE
Switch,toggle
5905-00-113-4852 INTERCHANGEABLE
Resistor,fixed,composition
4310-00-336-1033120120 INTERCHANGEABLE
Filter,engine Charg
Falls Filtration Technologies, Inc.
5340-00-497-4296120120 INTERCHANGEABLE
Cap,protective,dust and Moisture
Eaton Aerospace, Llc Dba Jackson South
5840-00-855-2861120140 INTERCHANGEABLE
Brake Plate Assembl
Reliance Electric Company Dba Reliance & Dodge Brands
5930-01-252-5761120-153 INTERCHANGEABLE
Switch,push
Gow-Mac Instrument Co Div Gow-Mac Instrument Company
1377-01-279-32781201-20 INTERCHANGEABLE
Initiator,cartridge Actuated
Universal Propulsion Company Inc Dba Goodrich Div Universal Propulsion Co., Inc.
5310-01-379-86410400136290 INTERCHANGEABLE
Washer,flat
Prestolite Electric Inc
6145-01-616-88601201-4001 INTERCHANGEABLE
Wire,electrical
Consolidated Electrical Distributors, Inc. Dba All Phase Electric Supply
Cross-Reference Index
Part NumberManufacturer
120-0120-00 Tektronix, Inc. (USA)
120-0140-00 PRIMARY Tektronix, Inc. (USA)
120120 Tektronix, Inc. (USA)
120-140 Tektronix, Inc. (USA)
120-120 Tektronix, Inc. (USA)
Related Parts
5930-00-022-4046INTERCHANGEABLE
SWITCH,TOGGLE
5905-00-113-4852INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
4310-00-336-1033INTERCHANGEABLE
FILTER,ENGINE CHARG
120120
5340-00-497-4296INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
120120
5840-00-855-2861INTERCHANGEABLE
BRAKE PLATE ASSEMBL
120140
5930-01-252-5761INTERCHANGEABLE
SWITCH,PUSH
120-153
1377-01-279-3278INTERCHANGEABLE
INITIATOR,CARTRIDGE ACTUATED
1201-20
5310-01-379-8641INTERCHANGEABLE
WASHER,FLAT
0400136290
6145-01-616-8860INTERCHANGEABLE
WIRE,ELECTRICAL
1201-4001

Frequently Asked Questions

What is NSN 5950-00-989-0972?

NSN 5950-00-989-0972 is a Transformer,power, manufactured by Tektronix, Inc., classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-989-0972?

NSN 5950-00-989-0972 has 5 cross-referenced part numbers: 120-0120-00 (Tektronix, Inc.), 120-0140-00 (Tektronix, Inc.), 120120 (Tektronix, Inc.), 120-140 (Tektronix, Inc.), 120-120 (Tektronix, Inc.).

What NSN replaces 5950-00-989-0972?

There are 9 known substitutes for 5950-00-989-0972: 5930-00-022-4046, 5905-00-113-4852, 4310-00-336-1033 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 120-0140-00?

Key specifications for 120-0140-00: Reliability Indicator: NOT ESTABLISHED; Frequency Rating: 50.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM SINGLE COMPONENT; Mounting Method: THREADED STUD(S) SINGLE GROUP; Thread Series Designator: UNF SINGLE GROUP. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-989-0972 still in active supply?

NSN 5950-00-989-0972 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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