PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1888Transformer,power

Freed Transformer Co · NSN 5950-00-199-1749 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-199-1749 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-199-1749. Primary manufacturer part number: 1888.
Features
  • Transformer,power — FSC 5950
  • Nominal Thread Size: 0.190 INCHES SINGLE GROUP IN
  • Inclosure Type: HERMETICALLY SEALED
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Reliability Indicator: NOT ESTABLISHED
  • Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT
  • Body Height: 5.750 INCHES NOMINAL IN
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 3.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-199-1749, 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 17 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: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-199-1749
Primary Part Number1888
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerFreed Transformer Co
StatusCANCELLED
Nominal Thread Size0.190 INCHES SINGLE GROUP IN
Inclosure TypeHERMETICALLY SEALED
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Body Height5.750 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width3.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
Thread Quantity Per Inch32 SINGLE GROUP
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Body Length5.500 INCHES NOMINAL IN
Body Width4.625 INCHES NOMINAL IN
Terminal Type and Quantity15 STANDOFF INSULATOR
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 5 SECONDARY SINGLE COMPONENT
Thread Series DesignatorUNF SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Length4.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5305-00-004-21941888 INTERCHANGEABLE
Screw,shoulder
L3harris Technologies, Inc. Div Space and Airborne Systems
5310-00-014-8099188-8 INTERCHANGEABLE
Washer,flat
Lockheed Martin Corporation Div Rms
5935-00-173-72851299 INTERCHANGEABLE
Connector,receptacle,electrical
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5910-00-754-69560180-0065 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Agilent Technologies, Inc. Div Agilent Technologies Headquarters
5330-00-832-77621888 INTERCHANGEABLE
Seal,nonmetallic Special Shaped
Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp
6240-00-946-96551888 INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
5340-01-175-91510188X00008 INTERCHANGEABLE
Strike,catch
Kason Hardware a Div of Kason Inc
5905-01-307-6235188-8 INTERCHANGEABLE
Resistor,fixed,film
Vishay Intertechnology, Inc.
7310-01-593-32531888 INTERCHANGEABLE
Sno-Cone Machine
Gold Medal Products Co Dba Gold Medal Products Co Div Gold Medal Products Company
Cross-Reference Index
Part NumberManufacturer
1888 PRIMARY Freed Transformer Co (USA)
Related Parts
5305-00-004-2194INTERCHANGEABLE
SCREW,SHOULDER
1888
5310-00-014-8099INTERCHANGEABLE
WASHER,FLAT
188-8
5935-00-173-7285INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
1299
5910-00-754-6956INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
0180-0065
5330-00-832-7762INTERCHANGEABLE
SEAL,NONMETALLIC SPECIAL SHAPED
1888
6240-00-946-9655INTERCHANGEABLE
LAMP,INCANDESCENT
1888
5340-01-175-9151INTERCHANGEABLE
STRIKE,CATCH
0188X00008
5905-01-307-6235INTERCHANGEABLE
RESISTOR,FIXED,FILM
188-8
7310-01-593-3253INTERCHANGEABLE
SNO-CONE MACHINE
1888

Frequently Asked Questions

What is NSN 5950-00-199-1749?

NSN 5950-00-199-1749 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 5950-00-199-1749?

NSN 5950-00-199-1749 has 1 cross-referenced part number: 1888 (Freed Transformer Co).

What NSN replaces 5950-00-199-1749?

There are 9 known substitutes for 5950-00-199-1749: 5305-00-004-2194, 5310-00-014-8099, 5935-00-173-7285 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1888?

Key specifications for 1888: Nominal Thread Size: 0.190 INCHES SINGLE GROUP IN; Inclosure Type: HERMETICALLY SEALED; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Reliability Indicator: NOT ESTABLISHED. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-199-1749 still in active supply?

NSN 5950-00-199-1749 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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