PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21369.983-3Bus Transfer Switch

Ward Leonard Ct Llc · NSN 5930-01-579-4743 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-579-4743 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-579-4743. Primary manufacturer part number: 21369.983-3.
Features
  • Bus Transfer Switch — FSC 5930
  • Current Rating: 300.000 AMPERES
  • Voltage in Volts and Current Type: 450.0 AC
  • 2 verified cross-references
  • Primary manufacturer: Ward Leonard Ct Llc
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Bus Transfer Switch, cataloged under National Stock Number 5930-01-579-4743, is classified within Federal Supply Class 5930 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Ward Leonard Ct Llc. Government technical data includes 2 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-01-579-4743
Primary Part Number21369.983-3
Item NameBus Transfer Switch
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerWard Leonard Ct Llc
StatusACTIVE
Current Rating300.000 AMPERES
Voltage in Volts and Current Type450.0 AC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6110-01-583-9255 INTERCHANGEABLE
Switching Unit,power Transfer
Cross-Reference Index
Part NumberManufacturer
21369.983-3 PRIMARY Ward Leonard Ct Llc (USA)
24987.25 PC NO 1 Ward Leonard Ct Llc (USA)
Related Parts
6110-01-583-9255INTERCHANGEABLE
SWITCHING UNIT,POWER TRANSFER

Frequently Asked Questions

What is NSN 5930-01-579-4743?

NSN 5930-01-579-4743 is a Bus Transfer Switch, manufactured by Ward Leonard Ct Llc, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-01-579-4743?

NSN 5930-01-579-4743 has 2 cross-referenced part numbers: 21369.983-3 (Ward Leonard Ct Llc), 24987.25 PC NO 1 (Ward Leonard Ct Llc).

What NSN replaces 5930-01-579-4743?

There is 1 known substitute for 5930-01-579-4743: 6110-01-583-9255. Verify interchangeability with system specifications before substitution.

What are the specifications of 21369.983-3?

Key specifications for 21369.983-3: Current Rating: 300.000 AMPERES; End Item Identification: AUTOMATIC BUS TRANSFER 300 AMP, 3 PHASE, 60 HERTZ; Voltage in Volts and Current Type: 450.0 AC. 3 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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