PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

01297Transformer,current

Simpson Electric Company, Inc. · NSN 5950-00-479-0377 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-479-0377 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-479-0377. Primary manufacturer part number: 01297.
Features
  • Transformer,current — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP
  • Winding Function and Quantity: 1 SECONDARY SINGLE COMPONENT
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Body Length: 1.0938 INCHES NOMINAL IN
  • Terminal Type and Quantity: 2 WIRE LEAD
  • Mounting Hole Diameter: 1.500 INCHES NOMINAL SINGLE GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,current, cataloged under National Stock Number 5950-00-479-0377, 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 Simpson Electric Company, Inc.. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-479-0377
Primary Part Number01297
Item NameTransformer,current
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerSimpson Electric Company, Inc.
StatusCANCELLED
Reliability IndicatorNOT ESTABLISHED
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Winding Function and Quantity1 SECONDARY SINGLE COMPONENT
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Length1.0938 INCHES NOMINAL IN
Terminal Type and Quantity2 WIRE LEAD
Mounting Hole Diameter1.500 INCHES NOMINAL SINGLE GROUP IN
Inclosure TypeFULLY INCLOSED
Frequency Rating25.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM SINGLE COMPONENT
Body Outside Diameter3.250 INCHES NOMINAL IN
Mounting Facility Quantity1 SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5133-00-227-9672 INTERCHANGEABLE
Drill,twist
3020-00-302-434801-297 INTERCHANGEABLE
Gear,driven,scaveng
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
5325-00-804-19150129-7 INTERCHANGEABLE
Grommet,nonmetallic
Lockheed Martin Corporation Div Rms
5930-01-308-398001297 INTERCHANGEABLE
Switch,toggle
Fischer George Foundry Systems Inc P O Box 1607 Seminole Ok 74818-1607
Cross-Reference Index
Part NumberManufacturer
01297 PRIMARY Simpson Electric Company, Inc. (USA)
1T850 Simpson Electric Company, Inc. (USA)
IT850 Simpson Electric Company, Inc. (USA)
1T850 W.w. Grainger, Inc. Div Government Sales Division (USA)
Related Parts
5133-00-227-9672INTERCHANGEABLE
DRILL,TWIST
3020-00-302-4348INTERCHANGEABLE
GEAR,DRIVEN,SCAVENG
01-297
5325-00-804-1915INTERCHANGEABLE
GROMMET,NONMETALLIC
0129-7
5930-01-308-3980INTERCHANGEABLE
SWITCH,TOGGLE
01297

Frequently Asked Questions

What is NSN 5950-00-479-0377?

NSN 5950-00-479-0377 is a Transformer,current, manufactured by Simpson Electric Company, Inc., classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-479-0377?

NSN 5950-00-479-0377 has 4 cross-referenced part numbers: 01297 (Simpson Electric Company, Inc.), 1T850 (Simpson Electric Company, Inc.), IT850 (Simpson Electric Company, Inc.), 1T850 (W.w. Grainger, Inc. Div Government Sales Division).

What NSN replaces 5950-00-479-0377?

There are 4 known substitutes for 5950-00-479-0377: 5133-00-227-9672, 3020-00-302-4348, 5325-00-804-1915 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 01297?

Key specifications for 01297: Reliability Indicator: NOT ESTABLISHED; Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP; Winding Function and Quantity: 1 SECONDARY SINGLE COMPONENT; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-479-0377 still in active supply?

NSN 5950-00-479-0377 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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