PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

61390Transformer,power

Instruments and Flight Research, Inc. · NSN 5950-00-135-0781 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-135-0781 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-135-0781. Primary manufacturer part number: 61390.
Features
  • Transformer,power — FSC 5950
  • Terminal Type and Quantity: 4 SOLDER STUD
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Body Height: 2.062 INCHES MAXIMUM IN
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.687 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Reliability Indicator: NOT ESTABLISHED
  • Body Length: 3.125 INCHES MAXIMUM IN
  • Test Data Document: 61390-94197 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-135-0781, 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 Instruments and Flight Research, Inc.. Government technical data includes 20 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-135-0781
Primary Part Number61390
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerInstruments and Flight Research, Inc.
StatusACTIVE
Terminal Type and Quantity4 SOLDER STUD
Thread Quantity Per Inch32 SINGLE GROUP
Body Height2.062 INCHES MAXIMUM IN
Center to Center Distance Between Mounting Facilities Parallel to Length1.687 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Reliability IndicatorNOT ESTABLISHED
Body Length3.125 INCHES MAXIMUM IN
Test Data Document61390-94197 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Winding Operating Voltage300.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Width1.437 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Frequency Rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Width2.312 INCHES MAXIMUM IN
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Inclosure TypeHERMETICALLY SEALED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4730-00-200-341220154 INTERCHANGEABLE
Connector Assembly
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5133-00-228-1398 INTERCHANGEABLE
Drill,twist
4210-01-089-3553 INTERCHANGEABLE
Brace,fire Pump
5935-01-110-32075M1892-001 INTERCHANGEABLE
Connector,plug,electrical
The Boeing Company Div Defense
4320-01-127-690761390 INTERCHANGEABLE
Port Plate,pump
Parker Hannifin Corporation Div Hydraulic Systems Division
4820-01-211-093920154G11M INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5999-01-231-1260 INTERCHANGEABLE
Shielding Gasket,electronic
4820-01-265-041120154C01S1661 INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4920-01-299-028320154 INTERCHANGEABLE
Test Program Set
Textron Systems Corporation Dba Textron Systems Corp
6105-01-364-1721 INTERCHANGEABLE
Motor,alternating Current
Cross-Reference Index
Part NumberManufacturer
20-154 Modular Equipment Corp (USA)
61390 PRIMARY Instruments and Flight Research, Inc. (USA)
61390-1 PRIMARY Instruments and Flight Research, Inc. (USA)
Related Parts
4730-00-200-3412INTERCHANGEABLE
CONNECTOR ASSEMBLY
20154
5133-00-228-1398INTERCHANGEABLE
DRILL,TWIST
4210-01-089-3553INTERCHANGEABLE
BRACE,FIRE PUMP
5935-01-110-3207INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5M1892-001
4320-01-127-6907INTERCHANGEABLE
PORT PLATE,PUMP
61390
4820-01-211-0939INTERCHANGEABLE
VALVE,SAFETY RELIEF
20154G11M
5999-01-231-1260INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
4820-01-265-0411INTERCHANGEABLE
VALVE,SAFETY RELIEF
20154C01S1661
4920-01-299-0283INTERCHANGEABLE
TEST PROGRAM SET
20154
6105-01-364-1721INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
5975-01-699-1344INTERCHANGEABLE
CONDUIT,NONMETALLIC,FLEXIBLE
2015-4

Frequently Asked Questions

What is NSN 5950-00-135-0781?

NSN 5950-00-135-0781 is a Transformer,power, manufactured by Instruments and Flight Research, Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-135-0781?

NSN 5950-00-135-0781 has 3 cross-referenced part numbers: 20-154 (Modular Equipment Corp), 61390 (Instruments and Flight Research, Inc.), 61390-1 (Instruments and Flight Research, Inc.).

What NSN replaces 5950-00-135-0781?

There are 11 known substitutes for 5950-00-135-0781: 4730-00-200-3412, 5133-00-228-1398, 4210-01-089-3553 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 61390?

Key specifications for 61390: Terminal Type and Quantity: 4 SOLDER STUD; Thread Quantity Per Inch: 32 SINGLE GROUP; Body Height: 2.062 INCHES MAXIMUM IN; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.687 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 21 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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