B1865 — RELAY,THERMAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

B1865: RELAY,THERMAL.

The RELAY,THERMAL is a the manufacturer industrial component. Key specifications include overall_length: 3.625 INCHES NOMINAL IN, overall_diameter: 1.250 INCHES NOMINAL IN, contact_arrangement: SINGLE POLE, SINGLE THROW, NORMALLY CLOSED, delay_time_in_seconds: 5.0 FIXED OPERATE NOMINAL, end_item_identification: JCENS,CONTROL,ELECTRIC LIGHT,MK-221/G AND MK-222/G, environmental_protection: HERMETIC. This part is cataloged in the U.S.

Government catalog under NSN 5945-00-810-8375, 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

B1865

NSN: 5945-00-810-8375
FSC: 5945 — Relays and Solenoids
CAGE: 04435 — JETTRON PRODUCTS INC (USA)

SPECIFICATIONS

overall_length	3.625 INCHES NOMINAL IN
overall_diameter	1.250 INCHES NOMINAL IN
contact_arrangement	SINGLE POLE, SINGLE THROW, NORMALLY CLOSED
delay_time_in_seconds	5.0 FIXED OPERATE NOMINAL
end_item_identification	JCENS,CONTROL,ELECTRIC LIGHT,MK-221/G AND MK-222/G
environmental_protection	HERMETIC
terminal_type_and_quantity	8 PIN
mounting_facility_type_and_quantity	1 OCTAL BASE PLUG-IN
contact_maximum_current_rating_in_amps	3.0 AC
NSN	5945-00-810-8375

COMPONENT DIAGRAM

KEY FEATURES

•

MOUNTING FACILITY TYPE AND QUANTITY: 1 OCTAL BASE PLUG-IN

•

CONTACT MAXIMUM VOLTAGE RATING IN VOLTS: 250.0 AC

•

DELAY TIME IN SECONDS: 5.0 FIXED OPERATE NOMINAL

•

CONTACT ARRANGEMENT: SINGLE POLE, SINGLE THROW, NORMALLY CLOSED

•

OVERALL DIAMETER: 1.250 INCHES NOMINAL IN

•

HEATER VOLTAGE RATING IN VOLTS: 115.0

•

CONTACT MAXIMUM CURRENT RATING IN AMPS: 3.0 AC

TECHNICAL CHARACTERISTICS

MOUNTING FACILITY TYPE AND QUANTITY	1 OCTAL BASE PLUG-IN
CONTACT MAXIMUM VOLTAGE RATING IN VOLTS	250.0 AC
DELAY TIME IN SECONDS	5.0 FIXED OPERATE NOMINAL
CONTACT ARRANGEMENT	SINGLE POLE, SINGLE THROW, NORMALLY CLOSED
OVERALL DIAMETER	1.250 INCHES NOMINAL IN
HEATER VOLTAGE RATING IN VOLTS	115.0
OVERALL LENGTH	3.625 INCHES NOMINAL IN
CONTACT MAXIMUM CURRENT RATING IN AMPS	3.0 AC
ENVIRONMENTAL PROTECTION	HERMETIC
END ITEM IDENTIFICATION	JCENS,CONTROL,ELECTRIC LIGHT,MK-221/G AND MK-222/G

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 4

5084-NH1Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

FL7542Reference document

Same NSN cross-reference

Reference document — Secondary reference

KS14566Reference document

Same NSN cross-reference

Reference document — Secondary reference

501B1865Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

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 B1865?

B1865 is a RELAY,THERMAL.

What parts can replace B1865?

There are 4 known substitutes for B1865: 5084-NH1, FL7542, KS14566 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for B1865?

B1865 is cataloged in the U.S. Government catalog under NSN 5945-00-810-8375. This indicates validated use in U.S. government and defense supply chains.

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