PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6291Transformer,power Autotransforme

Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems · NSN 5950-00-080-2107 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-080-2107 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-080-2107. Primary manufacturer part number: 6291.
Features
  • Transformer,power Autotransforme — FSC 5950
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
  • Body Length: 2.463 INCHES NOMINAL IN
  • Mounting Hole Diameter: 0.219 INCHES NOMINAL SINGLE GROUP IN
  • Body Width: 1.750 INCHES NOMINAL IN
  • Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
  • Terminal Type and Quantity: 3 THREADED STUD
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power Autotransforme, cataloged under National Stock Number 5950-00-080-2107, 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 Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems. 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-080-2107
Primary Part Number6291
Item NameTransformer,power Autotransforme
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerOeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
StatusACTIVE
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Body Length2.463 INCHES NOMINAL IN
Mounting Hole Diameter0.219 INCHES NOMINAL SINGLE GROUP IN
Body Width1.750 INCHES NOMINAL IN
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
Terminal Type and Quantity3 THREADED STUD
Center to Center Distance Between Mounting Facilities Parallel to Length2.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current4.3 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY INPUT
Winding Operating Voltage28.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Inclosure TypeFULLY INCLOSED
Mounting Facility Quantity4 SINGLE GROUP
Body Height2.625 INCHES NOMINAL IN
Frequency Rating380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width1.810 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Function and Quantity1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5305-00-151-276810024 INTERCHANGEABLE
Screw,machine
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
2920-00-376-8334E6291 INTERCHANGEABLE
Contact Set,magneto
Prestolite Electric Inc
6680-00-865-85866291X INTERCHANGEABLE
Gage Rod,liquid Level
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5930-01-085-335736T21-52740 INTERCHANGEABLE
Switch,thermostatic
Therm-O-Disc Incorporated
5950-01-175-00445189627-003 INTERCHANGEABLE
Transformer,power
Naval Sea Systems Command
5930-01-210-40616291 INTERCHANGEABLE
Switch Subassembly
Carlisle & Finch Co
4240-01-342-52387000126163 INTERCHANGEABLE
Respirator,air Filtering
3m Company
3040-01-368-74606291 INTERCHANGEABLE
Cylinder,actuating,linear
Rosco Mfg Co
Cross-Reference Index
Part NumberManufacturer
6291 PRIMARY Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems (USA)
Related Parts
5305-00-151-2768INTERCHANGEABLE
SCREW,MACHINE
10024
2920-00-376-8334INTERCHANGEABLE
CONTACT SET,MAGNETO
E6291
6680-00-865-8586INTERCHANGEABLE
GAGE ROD,LIQUID LEVEL
6291X
5930-01-085-3357INTERCHANGEABLE
SWITCH,THERMOSTATIC
36T21-52740
5950-01-175-0044INTERCHANGEABLE
TRANSFORMER,POWER
5189627-003
5930-01-210-4061INTERCHANGEABLE
SWITCH SUBASSEMBLY
6291
4240-01-342-5238INTERCHANGEABLE
RESPIRATOR,AIR FILTERING
7000126163
3040-01-368-7460INTERCHANGEABLE
CYLINDER,ACTUATING,LINEAR
6291

Frequently Asked Questions

What is NSN 5950-00-080-2107?

NSN 5950-00-080-2107 is a Transformer,power Autotransforme, manufactured by Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-080-2107?

NSN 5950-00-080-2107 has 1 cross-referenced part number: 6291 (Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems).

What NSN replaces 5950-00-080-2107?

There are 8 known substitutes for 5950-00-080-2107: 5305-00-151-2768, 2920-00-376-8334, 6680-00-865-8586 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6291?

Key specifications for 6291: Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP; Body Length: 2.463 INCHES NOMINAL IN; Mounting Hole Diameter: 0.219 INCHES NOMINAL SINGLE GROUP IN. 17 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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