PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8140Transformer,power

Instruments and Flight Research, Inc. · NSN 5950-00-648-6768 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-648-6768 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-648-6768. Primary manufacturer part number: 8140.
Features
  • Transformer,power — FSC 5950
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Reliability Indicator: NOT ESTABLISHED
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 5.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Nominal Thread Size: 0.250 INCHES SINGLE GROUP IN
  • Winding Operating Voltage: 18.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Body Length: 6.875 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 5950-00-648-6768, 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 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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: Active.

Technical Specifications
ParameterValue
NSN5950-00-648-6768
Primary Part Number8140
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerInstruments and Flight Research, Inc.
StatusACTIVE
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Center to Center Distance Between Mounting Facilities Parallel to Length5.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Nominal Thread Size0.250 INCHES SINGLE GROUP IN
Winding Operating Voltage18.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Length6.875 INCHES NOMINAL IN
Body Width6.625 INCHES NOMINAL IN
Winding Operating Voltage723.00 AC VOLTS NOMINAL AND 863.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Terminal Type and Quantity18 STANDOFF, THREADED STUD
Winding Operating Voltage100.00 AC VOLTS NOMINAL AND 110.00 AC VOLTS NOMINAL AND 120.00 AC VOLTS NOMINAL AND 130.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Function and Quantity2 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Winding Operating Voltage723.00 AC VOLTS NOMINAL AND 863.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Thread Quantity Per Inch20 SINGLE GROUP
Mounting Facility Quantity4 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Width5.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Height9.000 INCHES NOMINAL IN
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4820-00-086-885708140 INTERCHANGEABLE
Stem,fluid Valve
Elkay Mfg Co Water Cooler Div
7025-00-139-63688140 INTERCHANGEABLE
Search Unit,tape
Emcore Corporation Div Concord Division
5940-00-171-02450165PC8 INTERCHANGEABLE
Terminal Board
Lockheed Martin Corporation Div Rms - Mitchel Field
4320-01-185-60888140 INTERCHANGEABLE
Deflector,dirt and Liquid
Air & Liquid Systems Corporation Dba Buffalo Pumps
6640-01-198-13118140 INTERCHANGEABLE
Tube,centrifuge
Corning Glass Works
5940-01-204-41628-140 INTERCHANGEABLE
Terminal Junction Block,sectiona
Cinch Connectivity Solutions Inc.
4310-01-251-62538640 INTERCHANGEABLE
Piston,compressor
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
6670-01-270-9888 INTERCHANGEABLE
Scale,weighing
8140-01-468-34058140 INTERCHANGEABLE
Shipping Container
Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division
Cross-Reference Index
Part NumberManufacturer
8140 PRIMARY Instruments and Flight Research, Inc. (USA)
Related Parts
4820-00-086-8857INTERCHANGEABLE
STEM,FLUID VALVE
08140
7025-00-139-6368INTERCHANGEABLE
SEARCH UNIT,TAPE
8140
5940-00-171-0245INTERCHANGEABLE
TERMINAL BOARD
0165PC8
4320-01-185-6088INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
8140
6640-01-198-1311INTERCHANGEABLE
TUBE,CENTRIFUGE
8140
5940-01-204-4162INTERCHANGEABLE
TERMINAL JUNCTION BLOCK,SECTIONA
8-140
4310-01-251-6253INTERCHANGEABLE
PISTON,COMPRESSOR
8640
6670-01-270-9888INTERCHANGEABLE
SCALE,WEIGHING
8140-01-468-3405INTERCHANGEABLE
SHIPPING CONTAINER
8140

Frequently Asked Questions

What is NSN 5950-00-648-6768?

NSN 5950-00-648-6768 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 5950-00-648-6768?

NSN 5950-00-648-6768 has 1 cross-referenced part number: 8140 (Instruments and Flight Research, Inc.).

What NSN replaces 5950-00-648-6768?

There are 9 known substitutes for 5950-00-648-6768: 4820-00-086-8857, 7025-00-139-6368, 5940-00-171-0245 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8140?

Key specifications for 8140: Mounting Method: THREADED STUD(S) SINGLE GROUP; Reliability Indicator: NOT ESTABLISHED; Center to Center Distance Between Mounting Facilities Parallel to Length: 5.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Nominal Thread Size: 0.250 INCHES SINGLE 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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