PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21F11Transformer,power

Thordarson Inc · NSN 5950-00-583-4182 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-583-4182 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-583-4182. Primary manufacturer part number: 21F11.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Inclosure Type: FULLY INCLOSED
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
  • Body Height: 3.125 INCHES NOMINAL IN
  • Mounting Facility Quantity: 4 SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-583-4182, 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 Thordarson Inc. Government technical data includes 16 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-583-4182
Primary Part Number21F11
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerThordarson Inc
StatusACTIVE
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Inclosure TypeFULLY INCLOSED
Center to Center Distance Between Mounting Facilities Parallel to Width1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Body Height3.125 INCHES NOMINAL IN
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Voltage6.30 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Body Width2.250 INCHES NOMINAL IN
Winding Operating Current6.3 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Length2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Length2.500 INCHES NOMINAL IN
Terminal Type and Quantity5 WIRE LEAD
Frequency Rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2530-00-493-7145129300053 INTERCHANGEABLE
Chamber,air Brake
Haldex Brake Products Corporation
Cross-Reference Index
Part NumberManufacturer
FL6524 Crouse-Hinds Co (USA)
21F11 Components Corp of America (USA)
21F11 PRIMARY Thordarson Inc (USA)
Related Parts
2530-00-493-7145INTERCHANGEABLE
CHAMBER,AIR BRAKE
129300053

Frequently Asked Questions

What is NSN 5950-00-583-4182?

NSN 5950-00-583-4182 is a Transformer,power, manufactured by Thordarson Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-583-4182?

NSN 5950-00-583-4182 has 3 cross-referenced part numbers: FL6524 (Crouse-Hinds Co), 21F11 (Components Corp of America), 21F11 (Thordarson Inc).

What NSN replaces 5950-00-583-4182?

There is 1 known substitute for 5950-00-583-4182: 2530-00-493-7145. Verify interchangeability with system specifications before substitution.

What are the specifications of 21F11?

Key specifications for 21F11: Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Width: 1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT. 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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