PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WM-4999Transformer,power Autotransforme

Magnetic Components Inc · NSN 5950-00-951-6175 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-951-6175 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-951-6175. Primary manufacturer part number: WM-4999.
Features
  • Transformer,power Autotransforme — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Terminal Type and Quantity: 4 TAB, SOLDER LUG
  • Body Height: 1.130 INCHES NOMINAL IN
  • Nominal Thread Size: 0.112 INCHES SINGLE GROUP IN
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Body Length: 0.765 INCHES NOMINAL IN
  • Inclosure Type: HERMETICALLY SEALED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power Autotransforme, cataloged under National Stock Number 5950-00-951-6175, 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 Magnetic Components Inc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-951-6175
Primary Part NumberWM-4999
Item NameTransformer,power Autotransforme
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerMagnetic Components Inc
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Terminal Type and Quantity4 TAB, SOLDER LUG
Body Height1.130 INCHES NOMINAL IN
Nominal Thread Size0.112 INCHES SINGLE GROUP IN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Body Length0.765 INCHES NOMINAL IN
Inclosure TypeHERMETICALLY SEALED
Body Width0.765 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Frequency Rating380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
Thread Quantity Per Inch40 SINGLE GROUP
Mounting Facility Quantity2 SINGLE GROUP
Winding Operating Voltage23.13 AC VOLTS NOMINAL AND 26.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Winding Function and Quantity1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT
Distance Between Mounting Facility Centers0.743 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4210-00-288-881613218E0471-3 INTERCHANGEABLE
Coupling,hose,fire Fighting
Cecom Lr Center
4130-00-320-914113695 INTERCHANGEABLE
Filter Element,air Conditioning
Falls Filtration Technologies, Inc.
5975-00-321-8818 INTERCHANGEABLE
Clamp,guy
2805-00-358-3403 INTERCHANGEABLE
Ring Set,piston
6615-00-943-766013695 INTERCHANGEABLE
Component Card Assy
Elbitamerica, Inc.
5961-00-978-43943068305-2 INTERCHANGEABLE
Transistor
Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
5985-01-257-314413695 INTERCHANGEABLE
Mast
General Dynamics Mission Systems, Inc.
3040-01-498-79654999 INTERCHANGEABLE
Adapter,housing
Amw Cuyuna Engine Co. Inc Dba Two Stroke International
4720-01-538-304413695 INTERCHANGEABLE
Hose,nonmetallic
Generac Mobile Products, Llc
8145-01-649-704813695 INTERCHANGEABLE
Shipping and Storage Container,v
Caseman, Inc. Div Ptl
Cross-Reference Index
Part NumberManufacturer
WM-4999 PRIMARY Magnetic Components Inc (USA)
534937-1 PRIMARY Honeywell International, Inc Div Aerospace-Tucson (USA)
534937-1 Alliedsignal Inc Dba Allied-Signal Aerospace Co (USA)
4999 Magnetic Components Inc (USA)
13695 PRIMARY Robert M. Hadley Company, Inc. (USA)
534937-1 Honeywell International Inc. Div Aerospace - Torrance (USA)
Related Parts
4210-00-288-8816INTERCHANGEABLE
COUPLING,HOSE,FIRE FIGHTING
13218E0471-3
4130-00-320-9141INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
13695
5975-00-321-8818INTERCHANGEABLE
CLAMP,GUY
2805-00-358-3403INTERCHANGEABLE
RING SET,PISTON
6615-00-943-7660INTERCHANGEABLE
COMPONENT CARD ASSY
13695
5961-00-978-4394INTERCHANGEABLE
TRANSISTOR
3068305-2
5985-01-257-3144INTERCHANGEABLE
MAST
13695
3040-01-498-7965INTERCHANGEABLE
ADAPTER,HOUSING
4999
4720-01-538-3044INTERCHANGEABLE
HOSE,NONMETALLIC
13695
8145-01-649-7048INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER,V
13695

Frequently Asked Questions

What is NSN 5950-00-951-6175?

NSN 5950-00-951-6175 is a Transformer,power Autotransforme, manufactured by Magnetic Components Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-951-6175?

NSN 5950-00-951-6175 has 6 cross-referenced part numbers: WM-4999 (Magnetic Components Inc), 534937-1 (Honeywell International, Inc Div Aerospace-Tucson), 534937-1 (Alliedsignal Inc Dba Allied-Signal Aerospace Co), 4999 (Magnetic Components Inc), 13695 (Robert M. Hadley Company, Inc.) and 1 more.

What NSN replaces 5950-00-951-6175?

There are 10 known substitutes for 5950-00-951-6175: 4210-00-288-8816, 4130-00-320-9141, 5975-00-321-8818 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WM-4999?

Key specifications for WM-4999: Reliability Indicator: NOT ESTABLISHED; Terminal Type and Quantity: 4 TAB, SOLDER LUG; Body Height: 1.130 INCHES NOMINAL IN; Nominal Thread Size: 0.112 INCHES SINGLE GROUP IN. 16 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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