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Technical Data Sheet
G-221177 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
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Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The RELAY,THERMAL is a the manufacturer industrial component. Key specifications include overall_length: 2.875 INCHES NOMINAL IN, overall_diameter: 1.315 INCHES NOMINAL IN, contact_arrangement: SINGLE POLE, SINGLE THROW, NORMALLY OPEN, delay_time_in_seconds: 5.0 FIXED OPERATE NOMINAL, environmental_protection: HERMETIC, heater_power_rating_in_watts: 2.0. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5945-00-331-1421, 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
G-221177
NSN: 5945-00-331-1421
FSC: 5945
CAGE: 64959 — AMERICAN TELEPHONE AND TELEGRAPH CO (USA)
SPECIFICATIONS
overall_length2.875 INCHES NOMINAL IN
overall_diameter1.315 INCHES NOMINAL IN
contact_arrangementSINGLE POLE, SINGLE THROW, NORMALLY OPEN
delay_time_in_seconds5.0 FIXED OPERATE NOMINAL
environmental_protectionHERMETIC
heater_power_rating_in_watts2.0
mounting_facility_type_and_quantity1 OCTAL BASE PLUG-IN
contact_maximum_current_rating_in_amps3.0 AC
NSN5945-00-331-1421
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY,THERMAL TITLE COMPONENT PN G-221177 MFR RELAY,THERMAL
KEY FEATURES
ENVIRONMENTAL PROTECTION: HERMETIC
CONTACT MAXIMUM CURRENT RATING IN AMPS: 3.0 AC
HEATER POWER RATING IN WATTS: 2.0
MOUNTING FACILITY TYPE AND QUANTITY: 1 OCTAL BASE PLUG-IN
CONTACT MAXIMUM VOLTAGE RATING IN VOLTS: 115.0 AC
HEATER VOLTAGE RATING IN VOLTS: 115.0
CONTACT ARRANGEMENT: SINGLE POLE, SINGLE THROW, NORMALLY OPEN
TECHNICAL CHARACTERISTICS (FLIS)
ENVIRONMENTAL PROTECTIONHERMETIC
CONTACT MAXIMUM CURRENT RATING IN AMPS3.0 AC
HEATER POWER RATING IN WATTS2.0
MOUNTING FACILITY TYPE AND QUANTITY1 OCTAL BASE PLUG-IN
CONTACT MAXIMUM VOLTAGE RATING IN VOLTS115.0 AC
HEATER VOLTAGE RATING IN VOLTS115.0
CONTACT ARRANGEMENTSINGLE POLE, SINGLE THROW, NORMALLY OPEN
OVERALL LENGTH2.875 INCHES NOMINAL IN
DELAY TIME IN SECONDS5.0 FIXED OPERATE NOMINAL
OVERALL DIAMETER1.315 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
C54764Interchangeable
interchangeable cross-reference
interchangeable
14353Interchangeable
interchangeable cross-reference
interchangeable
662276Interchangeable
interchangeable cross-reference
interchangeable
7338991Interchangeable
interchangeable cross-reference
interchangeable
GPW13437Interchangeable
interchangeable cross-reference
interchangeable
CDD-3769-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is G-221177?
G-221177 is a RELAY,THERMAL.
What parts can replace G-221177?
There are 9 known substitutes for G-221177: C54764, 14353, 662276 and 6 more. Substitute compatibility should be verified for your specific system.
Is G-221177 still available?
G-221177 is currently cancelled.
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