PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12595Transformer,power

Freed Transformer Co · NSN 5950-00-186-8343 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-186-8343 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-186-8343. Primary manufacturer part number: 12595.
Features
  • Transformer,power — FSC 5950
  • Terminal Type and Quantity: 9 STANDOFF INSULATOR
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Reliability Indicator: NOT ESTABLISHED
  • Body Width: 2.562 INCHES NOMINAL IN
  • Winding Operating Current: 1.0 AMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
  • Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-186-8343, 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 Freed Transformer Co. Government technical data includes 23 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-186-8343
Primary Part Number12595
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerFreed Transformer Co
StatusCANCELLED
Terminal Type and Quantity9 STANDOFF INSULATOR
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Reliability IndicatorNOT ESTABLISHED
Body Width2.562 INCHES NOMINAL IN
Winding Operating Current1.0 AMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Thread Quantity Per Inch32 SINGLE GROUP
Winding Operating Current600.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Mounting Facility Quantity4 SINGLE GROUP
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Operating Voltage6.30 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Winding Operating Current35.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Inclosure TypeHERMETICALLY SEALED
Winding Operating Voltage340.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Width1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Length2.188 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Length2.938 INCHES NOMINAL IN
Winding Operating Voltage6.30 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Height3.750 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
4820-00-036-109812595 INTERCHANGEABLE
Seat,valve
Schneider Electric Systems Usa Inc
5960-00-080-0841926X-26 INTERCHANGEABLE
Retainer,electron Tube
Schroff Inc
5330-00-178-756749454 INTERCHANGEABLE
Seal,plain Encased
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5133-00-227-5992 INTERCHANGEABLE
Drill,twist
5995-01-516-9568 INTERCHANGEABLE
Wiring Harness
6515-01-576-27868700-0619-01 INTERCHANGEABLE
Cartridge,blood-Fluid Warmer
Zoll Medical Corporation Dba Zoll
Cross-Reference Index
Part NumberManufacturer
12595 PRIMARY Freed Transformer Co (USA)
Related Parts
4820-00-036-1098INTERCHANGEABLE
SEAT,VALVE
12595
5960-00-080-0841INTERCHANGEABLE
RETAINER,ELECTRON TUBE
926X-26
5330-00-178-7567INTERCHANGEABLE
SEAL,PLAIN ENCASED
49454
5133-00-227-5992INTERCHANGEABLE
DRILL,TWIST
5995-01-516-9568INTERCHANGEABLE
WIRING HARNESS
6515-01-576-2786INTERCHANGEABLE
CARTRIDGE,BLOOD-FLUID WARMER
8700-0619-01

Frequently Asked Questions

What is NSN 5950-00-186-8343?

NSN 5950-00-186-8343 is a Transformer,power, manufactured by Freed Transformer Co, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-186-8343?

NSN 5950-00-186-8343 has 1 cross-referenced part number: 12595 (Freed Transformer Co).

What NSN replaces 5950-00-186-8343?

There are 6 known substitutes for 5950-00-186-8343: 4820-00-036-1098, 5960-00-080-0841, 5330-00-178-7567 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12595?

Key specifications for 12595: Terminal Type and Quantity: 9 STANDOFF INSULATOR; Mounting Method: THREADED STUD(S) SINGLE GROUP; Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Reliability Indicator: NOT ESTABLISHED. 23 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-186-8343 still in active supply?

NSN 5950-00-186-8343 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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