PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SM-D-282251-9Transformer,power

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5950-00-645-4711 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-645-4711 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-645-4711. Primary manufacturer part number: SM-D-282251-9.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Inclosure Type: HERMETICALLY SEALED
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 2.675 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Body Width: 3.082 INCHES NOMINAL IN
  • Frequency Rating: 50.0 HERTZ MINIMUM AND 70.0 HERTZ MAXIMUM SINGLE COMPONENT
  • Winding Shielding Method: INTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-645-4711, 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 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, 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
NSN5950-00-645-4711
Primary Part NumberSM-D-282251-9
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusCANCELLED
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeHERMETICALLY SEALED
Center to Center Distance Between Mounting Facilities Parallel to Width2.675 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Width3.082 INCHES NOMINAL IN
Frequency Rating50.0 HERTZ MINIMUM AND 70.0 HERTZ MAXIMUM SINGLE COMPONENT
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Terminal Type and Quantity21 STANDOFF INSULATOR
Center to Center Distance Between Mounting Facilities Parallel to Length2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Body Height4.875 INCHES NOMINAL IN
Body Length3.562 INCHES NOMINAL IN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Thread Quantity Per Inch32 SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 9 SECONDARY SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Mounting Facility Quantity4 SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
2910-00-466-5263 INTERCHANGEABLE
Bracket
5935-00-589-699730-094-1 INTERCHANGEABLE
Connector,plug,electrical
Bell Textron Inc
5330-00-823-487832521 INTERCHANGEABLE
Packing,preformed
Allianz Sweeper Company
5962-01-261-645948550-1 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
5120-01-348-904032521 INTERCHANGEABLE
Socket,socket Wrench
Williams J H Industrial Products Inc
5962-01-364-54313252-1 INTERCHANGEABLE
Microcircuit,memory
Trig-Tek, Incorporated
5962-01-390-7179300941 INTERCHANGEABLE
Microcircuit,memory
Northrop Grumman Systems Corporation
5999-01-436-5963 INTERCHANGEABLE
Mounting Pad,electrical-Electron
6545-01-666-159432521 INTERCHANGEABLE
Medical Equipment Set,recruit Ph
Lafayette Instrument Company, Llc
Cross-Reference Index
Part NumberManufacturer
W4773-2 Unisys Corp Systems Development (USA)
485501 Electronic Transformer Corp Div Electronic Transformer Corporation (USA)
SM-D-282251-9 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
300941 Viking Technologies, Ltd. (USA)
SC-D-93584 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
32521 Freed Transformer Co (USA)
G300941 General Electric Co Specialty Transformer Dept (USA)
Related Parts
2910-00-466-5263INTERCHANGEABLE
BRACKET
5935-00-589-6997INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
30-094-1
5330-00-823-4878INTERCHANGEABLE
PACKING,PREFORMED
32521
5962-01-261-6459INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
48550-1
5120-01-348-9040INTERCHANGEABLE
SOCKET,SOCKET WRENCH
32521
5962-01-364-5431INTERCHANGEABLE
MICROCIRCUIT,MEMORY
3252-1
5962-01-390-7179INTERCHANGEABLE
MICROCIRCUIT,MEMORY
300941
5999-01-436-5963INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
6545-01-666-1594INTERCHANGEABLE
MEDICAL EQUIPMENT SET,RECRUIT PH
32521

Frequently Asked Questions

What is NSN 5950-00-645-4711?

NSN 5950-00-645-4711 is a Transformer,power, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-645-4711?

NSN 5950-00-645-4711 has 7 cross-referenced part numbers: W4773-2 (Unisys Corp Systems Development), 485501 (Electronic Transformer Corp Div Electronic Transformer Corporation), SM-D-282251-9 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 300941 (Viking Technologies, Ltd.), SC-D-93584 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir) and 2 more.

What NSN replaces 5950-00-645-4711?

There are 9 known substitutes for 5950-00-645-4711: 2910-00-466-5263, 5935-00-589-6997, 5330-00-823-4878 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SM-D-282251-9?

Key specifications for SM-D-282251-9: Reliability Indicator: NOT ESTABLISHED; Inclosure Type: HERMETICALLY SEALED; Center to Center Distance Between Mounting Facilities Parallel to Width: 2.675 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-645-4711 still in active supply?

NSN 5950-00-645-4711 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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