PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40427Transformer,power

Hanovia Specialty Lighting Llc · NSN 5950-00-578-8621 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-578-8621 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-578-8621. Primary manufacturer part number: 40427.
Features
  • Transformer,power — FSC 5950
  • Terminal Type and Quantity: 4 WIRE LEAD
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Winding Operating Voltage: 3.400 AC KILOVOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 2.188 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Operating Current: 24.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
  • Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-578-8621, 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 Hanovia Specialty Lighting Llc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-578-8621
Primary Part Number40427
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerHanovia Specialty Lighting Llc
StatusACTIVE
Terminal Type and Quantity4 WIRE LEAD
Mounting Facility Quantity4 SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Winding Operating Voltage3.400 AC KILOVOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Width2.188 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current24.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Width2.625 INCHES NOMINAL IN
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Body Length3.375 INCHES NOMINAL IN
Inclosure TypeOPEN
Thread Quantity Per Inch32 SINGLE GROUP
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Body Height2.625 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length2.938 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4820-00-105-8277 INTERCHANGEABLE
Valve,pneumatic Tank
5905-00-176-2458A404.27 INTERCHANGEABLE
Resistor,fixed,film
Ward Leonard Ct Llc
5315-00-187-3256MS24692-81 INTERCHANGEABLE
Pin,tapered,plain
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5950-00-660-4644 INTERCHANGEABLE
Transformer,power
5962-01-078-574440427 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
5950-01-147-6935280191 INTERCHANGEABLE
Transformer,power
Astra Products Co., Inc. of Tampa Dba Astra Products Co Inc of Tampa
4930-01-307-272140427 INTERCHANGEABLE
Breather Assembly
Eaton Corporation Dba Eaton Inoac
5310-01-729-412240427 INTERCHANGEABLE
Nut,plain,hexagon
Hartzell Engine Technologies Llc
Cross-Reference Index
Part NumberManufacturer
40427 PRIMARY Hanovia Specialty Lighting Llc (USA)
Related Parts
4820-00-105-8277INTERCHANGEABLE
VALVE,PNEUMATIC TANK
5905-00-176-2458INTERCHANGEABLE
RESISTOR,FIXED,FILM
A404.27
5315-00-187-3256INTERCHANGEABLE
PIN,TAPERED,PLAIN
MS24692-81
5950-00-660-4644INTERCHANGEABLE
TRANSFORMER,POWER
5962-01-078-5744INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
40427
5950-01-147-6935INTERCHANGEABLE
TRANSFORMER,POWER
280191
4930-01-307-2721INTERCHANGEABLE
BREATHER ASSEMBLY
40427
5310-01-729-4122INTERCHANGEABLE
NUT,PLAIN,HEXAGON
40427

Frequently Asked Questions

What is NSN 5950-00-578-8621?

NSN 5950-00-578-8621 is a Transformer,power, manufactured by Hanovia Specialty Lighting Llc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-578-8621?

NSN 5950-00-578-8621 has 1 cross-referenced part number: 40427 (Hanovia Specialty Lighting Llc).

What NSN replaces 5950-00-578-8621?

There are 8 known substitutes for 5950-00-578-8621: 4820-00-105-8277, 5905-00-176-2458, 5315-00-187-3256 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40427?

Key specifications for 40427: Terminal Type and Quantity: 4 WIRE LEAD; Mounting Facility Quantity: 4 SINGLE GROUP; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Winding Operating Voltage: 3.400 AC KILOVOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY. 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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