PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A3943Transformer,power

Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div · NSN 5950-01-045-7710 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-045-7710 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-045-7710. Primary manufacturer part number: A3943.
Features
  • Transformer,power — FSC 5950
  • Frequency Rating: 4.0 KILOHERTZ NOMINAL SINGLE COMPONENT
  • Winding Operating Voltage: 3.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
  • Mounting Method: TERMINAL SINGLE GROUP
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Terminal Type and Quantity: 7 PIN
  • Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
  • Winding Operating Current: 500.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-045-7710, 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 Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div. Government technical data includes 13 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-045-7710
Primary Part NumberA3943
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerHoneywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div
StatusACTIVE
Frequency Rating4.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Winding Operating Voltage3.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Mounting MethodTERMINAL SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Terminal Type and Quantity7 PIN
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Winding Operating Current500.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Winding Operating Voltage310.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Inclosure TypeFULLY INCLOSED
Body Outside Diameter1.500 INCHES NOMINAL IN
Winding Operating Current200.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Body Length0.750 INCHES MAXIMUM IN
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
7530-00-291-0098 INTERCHANGEABLE
Folder,file
2805-00-740-2059 INTERCHANGEABLE
Camshaft,engine
2510-00-741-65077416507 INTERCHANGEABLE
Seal Door
U S Army Tank Automotive Command Amsta-Im-Mm
5998-01-417-812844260 INTERCHANGEABLE
Circuit Card Assembly
Brandt Electronics, Inc. Dba Brandt Electronics Inc
Cross-Reference Index
Part NumberManufacturer
A3943 PRIMARY Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div (USA)
PEI 8449 Precision Electronics, Inc (USA)
44260 Freed Transformer Co (USA)
Related Parts
7530-00-291-0098INTERCHANGEABLE
FOLDER,FILE
2805-00-740-2059INTERCHANGEABLE
CAMSHAFT,ENGINE
2510-00-741-6507INTERCHANGEABLE
SEAL DOOR
7416507
5998-01-417-8128INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
44260

Frequently Asked Questions

What is NSN 5950-01-045-7710?

NSN 5950-01-045-7710 is a Transformer,power, manufactured by Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-045-7710?

NSN 5950-01-045-7710 has 3 cross-referenced part numbers: A3943 (Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div), PEI 8449 (Precision Electronics, Inc), 44260 (Freed Transformer Co).

What NSN replaces 5950-01-045-7710?

There are 4 known substitutes for 5950-01-045-7710: 7530-00-291-0098, 2805-00-740-2059, 2510-00-741-6507 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A3943?

Key specifications for A3943: Frequency Rating: 4.0 KILOHERTZ NOMINAL SINGLE COMPONENT; Winding Operating Voltage: 3.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY; Mounting Method: TERMINAL SINGLE GROUP; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 13 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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