PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2493810Relay,thermal

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5945-00-578-4536 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-578-4536 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-578-4536. Primary manufacturer part number: 2493810.
Features
  • Relay,thermal — FSC 5945
  • Mounting Facility Type and Quantity: 1 PLUG-IN
  • Contact Maximum Voltage Rating in Volts: 115.0 AC
  • Terminal Type and Quantity: 4 PIN
  • Contact Arrangement: SINGLE POLE, SINGLE THROW, NORMALLY OPEN
  • Heater Power Rating in Watts: 4.0
  • Heater Voltage Rating in Volts: 115.0
  • Contact Maximum Current Rating in Amps: 6.0 AC
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,thermal, cataloged under National Stock Number 5945-00-578-4536, is classified within Federal Supply Class 5945 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5945-00-578-4536
Primary Part Number2493810
Item NameRelay,thermal
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusCANCELLED
Mounting Facility Type and Quantity1 PLUG-IN
Contact Maximum Voltage Rating in Volts115.0 AC
Terminal Type and Quantity4 PIN
Contact ArrangementSINGLE POLE, SINGLE THROW, NORMALLY OPEN
Heater Power Rating in Watts4.0
Heater Voltage Rating in Volts115.0
Contact Maximum Current Rating in Amps6.0 AC
Environmental ProtectionHERMETIC
Delay Time in Seconds40.0 ADJUSTABLE OPERATE NOMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
4620-00-132-1143 INTERCHANGEABLE
Vapor Separator
3120-00-959-0003 INTERCHANGEABLE
Bearing,sleeve
4720-00-992-6485601472-2 INTERCHANGEABLE
Hose Assembly,nonmetallic
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
9905-01-539-75652493810 INTERCHANGEABLE
Plate,identification
Goodrich Corporation Dba Goodrich Corp
5305-01-658-2565 INTERCHANGEABLE
Screw,machine
Cross-Reference Index
Part NumberManufacturer
6014722 International Business Machines Corporation Dba IBM (USA)
6014722 International Business Machines Corp Parts Order Center Dept E - 54 (USA)
B8123 Meggitt (new Hampshire), Inc (USA)
GT-4638 Radiodetection, Llc (USA)
RF-40N0115 Radiodetection, Llc (USA)
GT-2323 Radiodetection, Llc (USA)
2493810 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
4620-00-132-1143INTERCHANGEABLE
VAPOR SEPARATOR
3120-00-959-0003INTERCHANGEABLE
BEARING,SLEEVE
4720-00-992-6485INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
601472-2
9905-01-539-7565INTERCHANGEABLE
PLATE,IDENTIFICATION
2493810
5305-01-658-2565INTERCHANGEABLE
SCREW,MACHINE

Frequently Asked Questions

What is NSN 5945-00-578-4536?

NSN 5945-00-578-4536 is a Relay,thermal, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-00-578-4536?

NSN 5945-00-578-4536 has 7 cross-referenced part numbers: 6014722 (International Business Machines Corporation Dba IBM), 6014722 (International Business Machines Corp Parts Order Center Dept E - 54), B8123 (Meggitt (new Hampshire), Inc), GT-4638 (Radiodetection, Llc), RF-40N0115 (Radiodetection, Llc) and 2 more.

What NSN replaces 5945-00-578-4536?

There are 5 known substitutes for 5945-00-578-4536: 4620-00-132-1143, 3120-00-959-0003, 4720-00-992-6485 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2493810?

Key specifications for 2493810: Mounting Facility Type and Quantity: 1 PLUG-IN; Overall Width: 1.000 INCHES NOMINAL IN; Contact Maximum Voltage Rating in Volts: 115.0 AC; Terminal Type and Quantity: 4 PIN. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-00-578-4536 still in active supply?

NSN 5945-00-578-4536 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.
PartsTable Design LLC · partstable.com