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2256640 — RELAY,THERMAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

2256640: RELAY,THERMAL.

The RELAY,THERMAL is a the manufacturer industrial component. Key specifications include overall_length: 2.500 INCHES NOMINAL IN, overall_diameter: 0.875 INCHES NOMINAL IN, contact_arrangement: SINGLE POLE, SINGLE THROW, NORMALLY OPEN, environmental_protection: HERMETIC, terminal_type_and_quantity: 9 PIN, heater_power_rating_in_watts: 2.0. This part is cataloged in the U.S.

Government catalog under NSN 5945-00-899-5191, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
2256640
NSN: 5945-00-899-5191
FSC: 5945 — Relays and Solenoids
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
overall_length2.500 INCHES NOMINAL IN
overall_diameter0.875 INCHES NOMINAL IN
contact_arrangementSINGLE POLE, SINGLE THROW, NORMALLY OPEN
environmental_protectionHERMETIC
terminal_type_and_quantity9 PIN
heater_power_rating_in_watts2.0
mounting_facility_type_and_quantity1 OCTAL BASE PLUG-IN
contact_maximum_current_rating_in_amps2.0 AC
NSN5945-00-899-5191
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY,THERMAL TITLE COMPONENT PN 2256640 MFR RELAY,THERMAL
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 1 OCTAL BASE PLUG-IN
•
CONTACT MAXIMUM VOLTAGE RATING IN VOLTS: 115.0 AC
•
CONTACT ARRANGEMENT: SINGLE POLE, SINGLE THROW, NORMALLY OPEN
•
OVERALL DIAMETER: 0.875 INCHES NOMINAL IN
•
HEATER POWER RATING IN WATTS: 2.0
•
HEATER VOLTAGE RATING IN VOLTS: 115.0
•
CONTACT MAXIMUM CURRENT RATING IN AMPS: 2.0 AC
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY1 OCTAL BASE PLUG-IN
CONTACT MAXIMUM VOLTAGE RATING IN VOLTS115.0 AC
CONTACT ARRANGEMENTSINGLE POLE, SINGLE THROW, NORMALLY OPEN
OVERALL DIAMETER0.875 INCHES NOMINAL IN
HEATER POWER RATING IN WATTS2.0
HEATER VOLTAGE RATING IN VOLTS115.0
OVERALL LENGTH2.500 INCHES NOMINAL IN
CONTACT MAXIMUM CURRENT RATING IN AMPS2.0 AC
ENVIRONMENTAL PROTECTIONHERMETIC
TERMINAL TYPE AND QUANTITY9 PIN
OTHER ITEMS IN FSC 5945 — Relays and Solenoids
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5945-00-000-0093 5945-00-001-1891 5945-00-001-2622 5945-00-001-2795 5945-00-001-2806 5945-00-001-2938 5945-00-001-3015 5945-00-001-3016
SUBSTITUTES & CROSS-REFERENCES 1
115N02TSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2256640?
2256640 is a RELAY,THERMAL.
What parts can replace 2256640?
There is 1 known substitute for 2256640: 115N02T. Substitute compatibility should be verified for your specific system.
What is the NSN for 2256640?
2256640 is cataloged in the U.S. Government catalog under NSN 5945-00-899-5191. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.