PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3018899Transformer,power Autotransforme

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5950-00-099-0426 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-099-0426 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-099-0426. Primary manufacturer part number: 3018899.
Features
  • Transformer,power Autotransforme — FSC 5950
  • Inclosure Type: FULLY INCLOSED
  • Body Height: 1.813 INCHES NOMINAL IN
  • Winding Function and Quantity: 1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT
  • Winding Operating Current: 28.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT
  • Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT
  • Body Length: 1.375 INCHES NOMINAL IN
  • Mounting Facility Quantity: 2 SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power Autotransforme, cataloged under National Stock Number 5950-00-099-0426, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 16 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-099-0426
Primary Part Number3018899
Item NameTransformer,power Autotransforme
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Inclosure TypeFULLY INCLOSED
Body Height1.813 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT
Winding Operating Current28.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Body Length1.375 INCHES NOMINAL IN
Mounting Facility Quantity2 SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting Hole Diameter0.190 INCHES NOMINAL SINGLE GROUP IN
Distance Between Mounting Facility Centers1.719 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
Body Width1.500 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Winding Operating Voltage16.40 AC VOLTS NOMINAL AND 32.80 AC VOLTS NOMINAL AND 49.20 AC VOLTS NOMINAL AND 65.60 AC VOLTS NOMINAL AND 82.00 AC VOLTS NOMINAL AND 98.40 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Terminal Type and Quantity8 TAB, SOLDER LUG
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5331-00-067-3358 INTERCHANGEABLE
O-Ring
3020-00-147-096774101 INTERCHANGEABLE
Gear Assembly
Textron Lycoming Inc Williamsport Plant
5315-00-279-89401286274-101 INTERCHANGEABLE
Pin and Bearing Ass
Lockheed Martin Corp
5330-00-291-378228238 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
4920-00-952-079974-1-0-1 INTERCHANGEABLE
Selector,thermocouple,and Averag
Celtech Corporation Div Use CAGE 65552 for All Orders
5930-01-046-46347410-1 INTERCHANGEABLE
Switch,rotary
Mason Electric Co. Dba Mason Controls
5310-01-051-1012 INTERCHANGEABLE
Nut,plain,cap
5975-01-205-3445CL-1 INTERCHANGEABLE
Elbow,electrical Conduit
Killark Electric Mfg Co
5130-01-244-4090 INTERCHANGEABLE
Adapter,abrasive Disk
6850-01-285-4741TK4 INTERCHANGEABLE
Toner Kit,photographic
Kyocera International Inc
Cross-Reference Index
Part NumberManufacturer
74101 Electronic Transformer Corp Div Electronic Transformer Corporation (USA)
3018899 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5331-00-067-3358INTERCHANGEABLE
O-RING
3020-00-147-0967INTERCHANGEABLE
GEAR ASSEMBLY
74101
5315-00-279-8940INTERCHANGEABLE
PIN AND BEARING ASS
1286274-101
5330-00-291-3782INTERCHANGEABLE
GASKET
28238
4920-00-952-0799INTERCHANGEABLE
SELECTOR,THERMOCOUPLE,AND AVERAG
74-1-0-1
5930-01-046-4634INTERCHANGEABLE
SWITCH,ROTARY
7410-1
5310-01-051-1012INTERCHANGEABLE
NUT,PLAIN,CAP
5975-01-205-3445INTERCHANGEABLE
ELBOW,ELECTRICAL CONDUIT
CL-1
5130-01-244-4090INTERCHANGEABLE
ADAPTER,ABRASIVE DISK
6850-01-285-4741INTERCHANGEABLE
TONER KIT,PHOTOGRAPHIC
TK4
5130-01-309-3865INTERCHANGEABLE
HOLDER,ABRASIVE DISK
08834174101
5940-01-533-3397INTERCHANGEABLE
TERMINAL,LUG
3000457-001

Frequently Asked Questions

What is NSN 5950-00-099-0426?

NSN 5950-00-099-0426 is a Transformer,power Autotransforme, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-099-0426?

NSN 5950-00-099-0426 has 2 cross-referenced part numbers: 74101 (Electronic Transformer Corp Div Electronic Transformer Corporation), 3018899 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 5950-00-099-0426?

There are 12 known substitutes for 5950-00-099-0426: 5331-00-067-3358, 3020-00-147-0967, 5315-00-279-8940 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3018899?

Key specifications for 3018899: Inclosure Type: FULLY INCLOSED; Body Height: 1.813 INCHES NOMINAL IN; Winding Function and Quantity: 1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT; Winding Operating Current: 28.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT. 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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