PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42843Transformer,power Autotransforme

Coast/advanced Chip Magnetics, Inc. · NSN 5950-00-051-0365 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-051-0365 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-051-0365. Primary manufacturer part number: 42843.
Features
  • Transformer,power Autotransforme — FSC 5950
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Frequency Rating: 380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
  • Body Height: 2.650 INCHES MAXIMUM IN
  • Reliability Indicator: NOT ESTABLISHED
  • Mounting Hole Diameter: 0.218 INCHES MINIMUM AND 0.228 INCHES MAXIMUM SINGLE GROUP IN
  • Inclosure Type: FULLY INCLOSED
  • Winding Operating Voltage: 113.50 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power Autotransforme, cataloged under National Stock Number 5950-00-051-0365, 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 Coast/advanced Chip Magnetics, Inc.. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-051-0365
Primary Part Number42843
Item NameTransformer,power Autotransforme
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerCoast/advanced Chip Magnetics, Inc.
StatusACTIVE
Mounting Facility Quantity4 SINGLE GROUP
Frequency Rating380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
Body Height2.650 INCHES MAXIMUM IN
Reliability IndicatorNOT ESTABLISHED
Mounting Hole Diameter0.218 INCHES MINIMUM AND 0.228 INCHES MAXIMUM SINGLE GROUP IN
Inclosure TypeFULLY INCLOSED
Winding Operating Voltage113.50 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
Center to Center Distance Between Mounting Facilities Parallel to Width1.200 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Length1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Power Rating100.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE PRIMARY INPUT
Body Width1.700 INCHES MAXIMUM IN
Winding Function and Quantity1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT
Body Length2.600 INCHES MAXIMUM IN
Maximum Operating Temp200.0 CELSIUS DEGC
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Terminal Type and Quantity3 THREADED STUD
Winding Operating Voltage28.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Winding Operating Current1.6 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3030-00-122-06953771910 INTERCHANGEABLE
Belt,v
General Motors Llc Dba General Motors Llc
5310-00-350-560830580 INTERCHANGEABLE
Nut,plain,hexagon
Trw Inc Trw Commercial Steering Div
4710-00-362-18569476 INTERCHANGEABLE
Tube Assembly,metal
Cummins Inc.
5920-00-548-3126 INTERCHANGEABLE
Fuse,cartridge
1650-00-850-26349476 INTERCHANGEABLE
Seal,valve Cylinder
Gst Industries Inc.
5330-01-352-1996 INTERCHANGEABLE
Gasket
5310-01-396-8500N42843 INTERCHANGEABLE
Nut,plain,hexagon
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
42843 PRIMARY Coast/advanced Chip Magnetics, Inc. (USA)
3B90031-105 Lockheed Martin Corp (USA)
9476 PRIMARY Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems (USA)
Related Parts
3030-00-122-0695INTERCHANGEABLE
BELT,V
3771910
5310-00-350-5608INTERCHANGEABLE
NUT,PLAIN,HEXAGON
30580
4710-00-362-1856INTERCHANGEABLE
TUBE ASSEMBLY,METAL
9476
5920-00-548-3126INTERCHANGEABLE
FUSE,CARTRIDGE
1650-00-850-2634INTERCHANGEABLE
SEAL,VALVE CYLINDER
9476
5330-01-352-1996INTERCHANGEABLE
GASKET
5310-01-396-8500INTERCHANGEABLE
NUT,PLAIN,HEXAGON
N42843

Frequently Asked Questions

What is NSN 5950-00-051-0365?

NSN 5950-00-051-0365 is a Transformer,power Autotransforme, manufactured by Coast/advanced Chip Magnetics, Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-051-0365?

NSN 5950-00-051-0365 has 3 cross-referenced part numbers: 42843 (Coast/advanced Chip Magnetics, Inc.), 3B90031-105 (Lockheed Martin Corp), 9476 (Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems).

What NSN replaces 5950-00-051-0365?

There are 7 known substitutes for 5950-00-051-0365: 3030-00-122-0695, 5310-00-350-5608, 4710-00-362-1856 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 42843?

Key specifications for 42843: Mounting Facility Quantity: 4 SINGLE GROUP; Frequency Rating: 380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT; Body Height: 2.650 INCHES MAXIMUM IN; Reliability Indicator: NOT ESTABLISHED. 19 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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