PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55-80377Transformer,power

General Dynamics Mission Systems, Inc. · NSN 5950-00-645-2108 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-645-2108 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-645-2108. Primary manufacturer part number: 55-80377.
Features
  • Transformer,power — FSC 5950
  • Winding Shielding Method: INTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
  • Mounting Method: UNTHREADED STUD SINGLE GROUP
  • Terminal Type and Quantity: 4 STANDOFF, THREADED STUD
  • Body Length: 2.375 INCHES NOMINAL IN
  • Winding Operating Voltage: 6.30 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Inclosure Type: HERMETICALLY SEALED
  • Mounting Facility Quantity: 4 SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-645-2108, 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 General Dynamics Mission Systems, Inc.. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-645-2108
Primary Part Number55-80377
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerGeneral Dynamics Mission Systems, Inc.
StatusACTIVE
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Mounting MethodUNTHREADED STUD SINGLE GROUP
Terminal Type and Quantity4 STANDOFF, THREADED STUD
Body Length2.375 INCHES NOMINAL IN
Winding Operating Voltage6.30 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Inclosure TypeHERMETICALLY SEALED
Mounting Facility Quantity4 SINGLE GROUP
Body Width2.125 INCHES NOMINAL IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Current1.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Height2.625 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3805-00-164-842622928 INTERCHANGEABLE
Manifold Assembly,h
Komatsu America Corporation
5330-00-237-5653 INTERCHANGEABLE
Gasket
5935-00-721-2304370-2142-000 INTERCHANGEABLE
Backshell,electrical Connector
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5950-01-018-4598 INTERCHANGEABLE
Transformer,power
Cross-Reference Index
Part NumberManufacturer
20745 General Dynamics Mission Systems, Inc. (USA)
55-80377 PRIMARY General Dynamics Mission Systems, Inc. (USA)
Related Parts
3805-00-164-8426INTERCHANGEABLE
MANIFOLD ASSEMBLY,H
22928
5330-00-237-5653INTERCHANGEABLE
GASKET
5935-00-721-2304INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
370-2142-000
5950-01-018-4598INTERCHANGEABLE
TRANSFORMER,POWER

Frequently Asked Questions

What is NSN 5950-00-645-2108?

NSN 5950-00-645-2108 is a Transformer,power, manufactured by General Dynamics Mission Systems, Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-645-2108?

NSN 5950-00-645-2108 has 2 cross-referenced part numbers: 20745 (General Dynamics Mission Systems, Inc.), 55-80377 (General Dynamics Mission Systems, Inc.).

What NSN replaces 5950-00-645-2108?

There are 4 known substitutes for 5950-00-645-2108: 3805-00-164-8426, 5330-00-237-5653, 5935-00-721-2304 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55-80377?

Key specifications for 55-80377: Winding Shielding Method: INTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT; Mounting Method: UNTHREADED STUD SINGLE GROUP; Terminal Type and Quantity: 4 STANDOFF, THREADED STUD; Body Length: 2.375 INCHES NOMINAL IN. 15 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com