PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1626-3334Transformer,current

Square D Co Electromagnetic Industries Div · NSN 5950-00-880-5971 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-880-5971 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-880-5971. Primary manufacturer part number: 1626-3334.
Features
  • Transformer,current — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Body Length: 7.125 INCHES NOMINAL IN
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 3.062 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Operating Current: 200.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
  • Body Height: 2.750 INCHES NOMINAL IN
  • Winding Operating Current: 5.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
  • Input-Output Phase Relationship: THREE PHASE TO THREE PHASE SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,current, cataloged under National Stock Number 5950-00-880-5971, 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 Square D Co Electromagnetic Industries Div. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5950-00-880-5971
Primary Part Number1626-3334
Item NameTransformer,current
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerSquare D Co Electromagnetic Industries Div
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Body Length7.125 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length3.062 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current200.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Body Height2.750 INCHES NOMINAL IN
Winding Operating Current5.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Input-Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
Body Width2.187 INCHES NOMINAL IN
Winding Operating Voltage600.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Winding Function and Quantity1 SECONDARY SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width2.187 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Installation for Which DesignedINDOOR NONPORTABLE
Inclosure TypeFULLY INCLOSED
Mounting MethodSLOT SINGLE GROUP
Terminal Type and Quantity3 THREADED STUD
Mounting Facility Quantity6 SINGLE GROUP
Frequency Rating50.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6625-00-170-92363334 INTERCHANGEABLE
Detector,null
Megger Ltd
5940-00-258-2106100078P1 INTERCHANGEABLE
Terminal,lug
Lockheed Martin Corporation Div Rms
1730-00-471-9546 INTERCHANGEABLE
Filter,air Line
2530-00-718-66833110163 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Ed Etnyre & Co
5305-00-724-5801MS51964-28 INTERCHANGEABLE
Setscrew
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5998-00-827-1960 INTERCHANGEABLE
Electronic Components Assembly
5935-00-888-9481LS15888 INTERCHANGEABLE
Connector,receptacle,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5340-00-889-96673334 INTERCHANGEABLE
Clamp,loop
Heyco Inc Dba Heyco Products
4720-00-933-587803-5107 INTERCHANGEABLE
Hose,nonmetallic
Bacharach, Inc.
6515-01-139-882700-3334-000-00 INTERCHANGEABLE
Rongeur
Zimmer, Inc. Dba Z Hotel
Cross-Reference Index
Part NumberManufacturer
1626-3334 Square D Co Electromagnetic Industries Div (USA)
3334 Square D Co Electromagnetic Industries Div (USA)
Related Parts
6625-00-170-9236INTERCHANGEABLE
DETECTOR,NULL
3334
5940-00-258-2106INTERCHANGEABLE
TERMINAL,LUG
100078P1
1730-00-471-9546INTERCHANGEABLE
FILTER,AIR LINE
2530-00-718-6683INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
3110163
5305-00-724-5801INTERCHANGEABLE
SETSCREW
MS51964-28
5998-00-827-1960INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
5935-00-888-9481INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
LS15888
5340-00-889-9667INTERCHANGEABLE
CLAMP,LOOP
3334
4720-00-933-5878INTERCHANGEABLE
HOSE,NONMETALLIC
03-5107
6515-01-139-8827INTERCHANGEABLE
RONGEUR
00-3334-000-00
4820-01-149-3336INTERCHANGEABLE
GUIDE,SEAT RETAINING
N32123
5340-01-226-5996INTERCHANGEABLE
COVER,ACCESS

Frequently Asked Questions

What is NSN 5950-00-880-5971?

NSN 5950-00-880-5971 is a Transformer,current, manufactured by Square D Co Electromagnetic Industries Div, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-880-5971?

NSN 5950-00-880-5971 has 2 cross-referenced part numbers: 1626-3334 (Square D Co Electromagnetic Industries Div), 3334 (Square D Co Electromagnetic Industries Div).

What NSN replaces 5950-00-880-5971?

There are 12 known substitutes for 5950-00-880-5971: 6625-00-170-9236, 5940-00-258-2106, 1730-00-471-9546 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1626-3334?

Key specifications for 1626-3334: Special Features: PRIMARY RATED BUT NOT INCLUDED; Reliability Indicator: NOT ESTABLISHED; Body Length: 7.125 INCHES NOMINAL IN; Center to Center Distance Between Mounting Facilities Parallel to Length: 3.062 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 18 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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