M669 — RELAY,THERMAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

M669: RELAY,THERMAL.

The RELAY,THERMAL is a the manufacturer industrial component. Key specifications include overall_length: 0.860 INCHES NOMINAL IN, overall_diameter: 0.252 INCHES NOMINAL IN, contact_arrangement: SINGLE POLE, SINGLE THROW, NORMALLY OPEN, delay_time_in_seconds: 3.0 FIXED OPERATE NOMINAL, environmental_protection: HERMETIC AND DUSTPROOF, terminal_type_and_quantity: 4 WIRE LEAD. This part is cataloged in the U.S.

Government catalog under NSN 5945-00-986-3363, 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

M669

NSN: 5945-00-986-3363
FSC: 5945 — Relays and Solenoids
CAGE: 05127 — NETWORKS ELECTRONIC COMPANY, LLC (USA)

SPECIFICATIONS

overall_length	0.860 INCHES NOMINAL IN
overall_diameter	0.252 INCHES NOMINAL IN
contact_arrangement	SINGLE POLE, SINGLE THROW, NORMALLY OPEN
delay_time_in_seconds	3.0 FIXED OPERATE NOMINAL
environmental_protection	HERMETIC AND DUSTPROOF
terminal_type_and_quantity	4 WIRE LEAD
mounting_facility_type_and_quantity	1 PLUG-IN
contact_maximum_current_rating_in_amps	5.0 DC
NSN	5945-00-986-3363

COMPONENT DIAGRAM

KEY FEATURES

•

MOUNTING FACILITY TYPE AND QUANTITY: 1 PLUG-IN

•

DELAY TIME IN SECONDS: 3.0 FIXED OPERATE NOMINAL

•

CONTACT ARRANGEMENT: SINGLE POLE, SINGLE THROW, NORMALLY OPEN

•

OVERALL DIAMETER: 0.252 INCHES NOMINAL IN

•

HEATER VOLTAGE RATING IN VOLTS: 4.0

•

CONTACT MAXIMUM CURRENT RATING IN AMPS: 5.0 DC

•

ENVIRONMENTAL PROTECTION: HERMETIC AND DUSTPROOF

TECHNICAL CHARACTERISTICS

MOUNTING FACILITY TYPE AND QUANTITY	1 PLUG-IN
DELAY TIME IN SECONDS	3.0 FIXED OPERATE NOMINAL
CONTACT ARRANGEMENT	SINGLE POLE, SINGLE THROW, NORMALLY OPEN
OVERALL DIAMETER	0.252 INCHES NOMINAL IN
HEATER VOLTAGE RATING IN VOLTS	4.0
OVERALL LENGTH	0.860 INCHES NOMINAL IN
CONTACT MAXIMUM CURRENT RATING IN AMPS	5.0 DC
ENVIRONMENTAL PROTECTION	HERMETIC AND DUSTPROOF
TERMINAL TYPE AND QUANTITY	4 WIRE LEAD

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

666-1960Reference document

Same NSN cross-reference

Reference document — Secondary 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 M669?

M669 is a RELAY,THERMAL.

What parts can replace M669?

There is 1 known substitute for M669: 666-1960. Substitute compatibility should be verified for your specific system.

What is the NSN for M669?

M669 is cataloged in the U.S. Government catalog under NSN 5945-00-986-3363. This indicates validated use in U.S. government and defense supply chains.

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