PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

501B2024Relay,thermal

Meggitt (new Hampshire), Inc · NSN 5945-00-259-9263 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-259-9263 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-259-9263. Primary manufacturer part number: 501B2024.
Features
  • Relay,thermal — FSC 5945
  • Delay Time in Seconds: 30.0 FIXED OPERATE NOMINAL
  • Contact Maximum Voltage Rating in Volts: 250.0 AC AND 150.0 DC
  • Heater Power Rating in Watts: 5.0
  • Contact Maximum Current Rating in Amps: 3.0 AC OR 3.0 DC
  • Heater Voltage Rating in Volts: 6.3
  • Terminal Type and Quantity: 4 PIN
  • Mounting Facility Type and Quantity: 1 PLUG-IN
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,thermal, cataloged under National Stock Number 5945-00-259-9263, 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 Meggitt (new Hampshire), Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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
NSN5945-00-259-9263
Primary Part Number501B2024
Item NameRelay,thermal
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerMeggitt (new Hampshire), Inc
StatusACTIVE
Delay Time in Seconds30.0 FIXED OPERATE NOMINAL
Contact Maximum Voltage Rating in Volts250.0 AC AND 150.0 DC
Heater Power Rating in Watts5.0
Contact Maximum Current Rating in Amps3.0 AC OR 3.0 DC
Heater Voltage Rating in Volts6.3
Terminal Type and Quantity4 PIN
Mounting Facility Type and Quantity1 PLUG-IN
Contact ArrangementSINGLE POLE, SINGLE THROW, NORMALLY OPEN
Environmental ProtectionHERMETIC
Overall Diameter1.275 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5945-00-087-5533 INTERCHANGEABLE
Relay,thermal
Cross-Reference Index
Part NumberManufacturer
501B2024 PRIMARY Meggitt (new Hampshire), Inc (USA)
Related Parts
5945-00-087-5533INTERCHANGEABLE
RELAY,THERMAL

Frequently Asked Questions

What is NSN 5945-00-259-9263?

NSN 5945-00-259-9263 is a Relay,thermal, manufactured by Meggitt (new Hampshire), Inc, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-259-9263?

NSN 5945-00-259-9263 has 1 cross-referenced part number: 501B2024 (Meggitt (new Hampshire), Inc).

What NSN replaces 5945-00-259-9263?

There is 1 known substitute for 5945-00-259-9263: 5945-00-087-5533. Verify interchangeability with system specifications before substitution.

What are the specifications of 501B2024?

Key specifications for 501B2024: Delay Time in Seconds: 30.0 FIXED OPERATE NOMINAL; Contact Maximum Voltage Rating in Volts: 250.0 AC AND 150.0 DC; Heater Power Rating in Watts: 5.0; Contact Maximum Current Rating in Amps: 3.0 AC OR 3.0 DC. 11 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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