PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10728Transformer,power Autotransforme

Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems · NSN 5950-00-903-3227 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-903-3227 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-903-3227. Primary manufacturer part number: 10728.
Features
  • Transformer,power Autotransforme — FSC 5950
  • Terminal Type and Quantity: 3 THREADED STUD
  • Winding Operating Voltage: 28.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT
  • Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
  • Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
  • Body Width: 2.750 INCHES NOMINAL IN
  • Inclosure Type: OPEN
  • Body Length: 3.250 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power Autotransforme, cataloged under National Stock Number 5950-00-903-3227, 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 14 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-903-3227
Primary Part Number10728
Item NameTransformer,power Autotransforme
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerOeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
StatusACTIVE
Terminal Type and Quantity3 THREADED STUD
Winding Operating Voltage28.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
Body Width2.750 INCHES NOMINAL IN
Inclosure TypeOPEN
Body Length3.250 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length2.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Height3.000 INCHES NOMINAL IN
Mounting Facility Quantity4 SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting Hole Diameter0.188 INCHES NOMINAL SINGLE GROUP IN
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width1.181 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5306-00-274-555810728 INTERCHANGEABLE
Bolt,shoulder
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5305-00-276-82341878419 INTERCHANGEABLE
Setscrew
Borgwarner Pds (anderson), L.l.c.
5330-00-298-545810728 INTERCHANGEABLE
Packing Material
John Reiner & Co. Inc.
4310-00-446-33594612 INTERCHANGEABLE
Ring,piston
Kaydon Ring & Seal Inc Dba Skf Precision Technologies
3040-01-232-0898 INTERCHANGEABLE
Shaft,shouldered
9390-01-674-912810728 INTERCHANGEABLE
Wick
Consolidated Sewing Machine Corp
Cross-Reference Index
Part NumberManufacturer
HE446-9001-0001 Rockwell International Corp North American Aircraft Opns (USA)
10728 PRIMARY Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems (USA)
Related Parts
5306-00-274-5558INTERCHANGEABLE
BOLT,SHOULDER
10728
5305-00-276-8234INTERCHANGEABLE
SETSCREW
1878419
5330-00-298-5458INTERCHANGEABLE
PACKING MATERIAL
10728
4310-00-446-3359INTERCHANGEABLE
RING,PISTON
4612
3040-01-232-0898INTERCHANGEABLE
SHAFT,SHOULDERED
9390-01-674-9128INTERCHANGEABLE
WICK
10728

Frequently Asked Questions

What is NSN 5950-00-903-3227?

NSN 5950-00-903-3227 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 5950-00-903-3227?

NSN 5950-00-903-3227 has 2 cross-referenced part numbers: HE446-9001-0001 (Rockwell International Corp North American Aircraft Opns), 10728 (Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems).

What NSN replaces 5950-00-903-3227?

There are 6 known substitutes for 5950-00-903-3227: 5306-00-274-5558, 5305-00-276-8234, 5330-00-298-5458 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10728?

Key specifications for 10728: Overall Length: 3.250 INCHES NOMINAL IN; Terminal Type and Quantity: 3 THREADED STUD; Winding Operating Voltage: 28.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT; Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP. 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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