PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1676768Transformer,power

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5950-00-855-8903 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-855-8903 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-855-8903. Primary manufacturer part number: 1676768.
Features
  • Transformer,power — FSC 5950
  • Inclosure Type: FULLY INCLOSED
  • Winding Operating Voltage: 100.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 2.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Operating Voltage: 100.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Body Height: 2.625 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 5950-00-855-8903, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-855-8903
Primary Part Number1676768
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Inclosure TypeFULLY INCLOSED
Winding Operating Voltage100.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Center to Center Distance Between Mounting Facilities Parallel to Width2.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage100.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY
Mounting Facility Quantity4 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Length1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Height2.625 INCHES NOMINAL IN
Body Length2.625 INCHES NOMINAL IN
Terminal Type and Quantity7 WIRE LEAD
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Frequency Rating400.0 HERTZ MAXIMUM SINGLE COMPONENT
Body Width1.750 INCHES NOMINAL IN
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Winding Operating Current50.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT ALL SECONDARY
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Mounting Hole Diameter0.187 INCHES NOMINAL SINGLE GROUP IN
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5998-01-108-1772 INTERCHANGEABLE
Circuit Card Assembly
3020-01-479-442639712 INTERCHANGEABLE
Gear,spur
Moog Inc. Dba Ampac-Isp Corp
3040-01-528-84801676768 INTERCHANGEABLE
Flexible Casing
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
1676768 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
39712 Freed Transformer Co (USA)
Related Parts
5998-01-108-1772INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
3020-01-479-4426INTERCHANGEABLE
GEAR,SPUR
39712
3040-01-528-8480INTERCHANGEABLE
FLEXIBLE CASING
1676768

Frequently Asked Questions

What is NSN 5950-00-855-8903?

NSN 5950-00-855-8903 is a Transformer,power, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-855-8903?

NSN 5950-00-855-8903 has 2 cross-referenced part numbers: 1676768 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 39712 (Freed Transformer Co).

What NSN replaces 5950-00-855-8903?

There are 3 known substitutes for 5950-00-855-8903: 5998-01-108-1772, 3020-01-479-4426, 3040-01-528-8480. Verify interchangeability with system specifications before substitution.

What are the specifications of 1676768?

Key specifications for 1676768: Inclosure Type: FULLY INCLOSED; Winding Operating Voltage: 100.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Center to Center Distance Between Mounting Facilities Parallel to Width: 2.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Winding Operating Voltage: 100.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY. 18 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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