PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43123Transformer,power

Sypris Electronics, Llc · NSN 5950-00-016-3670 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-016-3670 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-016-3670. Primary manufacturer part number: 43123.
Features
  • Transformer,power — FSC 5950
  • Body Width: 3.687 INCHES NOMINAL IN
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Nominal Thread Size: 0.190 INCHES SINGLE GROUP IN
  • Winding Operating Current: 33.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Operating Current: 1.0 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
  • Winding Operating Current: 7.5 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-016-3670, 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 Sypris Electronics, Llc. Government technical data includes 23 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-016-3670
Primary Part Number43123
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerSypris Electronics, Llc
StatusACTIVE
Body Width3.687 INCHES NOMINAL IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Nominal Thread Size0.190 INCHES SINGLE GROUP IN
Winding Operating Current33.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Reliability IndicatorNOT ESTABLISHED
Winding Operating Current1.0 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Winding Operating Current7.5 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Winding Operating Voltage115.00 AC VOLTS NOMINAL AND 180.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Width3.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage62.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Winding Function and Quantity1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Winding Operating Voltage6.30 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Thread Quantity Per Inch32 SINGLE GROUP
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Voltage105.00 AC VOLTS NOMINAL AND 115.00 AC VOLTS NOMINAL AND 125.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Inclosure TypeHERMETICALLY SEALED
Thread Series DesignatorUNF SINGLE GROUP
Body Length4.312 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length2.687 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Terminal Type and Quantity13 TAB, SOLDER LUG
Body Height5.562 INCHES NOMINAL IN
Frequency Rating50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6150-00-067-952043123 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Unison Industries Llc
5120-00-246-0936 INTERCHANGEABLE
Tweezers,craftsman's
5962-01-169-259243-123 INTERCHANGEABLE
Microcircuit
Hydro-Aire Aerospace Corp
6625-01-623-3130431-23 INTERCHANGEABLE
Detecting Element,directional Co
Bird Electronic Corporation Div Bird Electronic Corp
Cross-Reference Index
Part NumberManufacturer
43123 PRIMARY Sypris Electronics, Llc (USA)
Related Parts
6150-00-067-9520INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
43123
5120-00-246-0936INTERCHANGEABLE
TWEEZERS,CRAFTSMAN'S
5962-01-169-2592INTERCHANGEABLE
MICROCIRCUIT
43-123
6625-01-623-3130INTERCHANGEABLE
DETECTING ELEMENT,DIRECTIONAL CO
431-23

Frequently Asked Questions

What is NSN 5950-00-016-3670?

NSN 5950-00-016-3670 is a Transformer,power, manufactured by Sypris Electronics, Llc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-016-3670?

NSN 5950-00-016-3670 has 1 cross-referenced part number: 43123 (Sypris Electronics, Llc).

What NSN replaces 5950-00-016-3670?

There are 4 known substitutes for 5950-00-016-3670: 6150-00-067-9520, 5120-00-246-0936, 5962-01-169-2592 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 43123?

Key specifications for 43123: Body Width: 3.687 INCHES NOMINAL IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Nominal Thread Size: 0.190 INCHES SINGLE GROUP IN; Winding Operating Current: 33.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY. 23 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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