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Technical Data Sheet
510999-9 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
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: 1.625 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN, overall_diameter: 1.271 INCHES MINIMUM AND 1.301 INCHES MAXIMUM IN, contact_arrangement: SINGLE POLE, SINGLE THROW, NORMALLY CLOSED, delay_time_in_seconds: 3.0 FIXED OPERATE MINIMUM AND 7.0 FIXED OPERATE MAXIMUM, environmental_protection: HERMETIC, terminal_type_and_quantity: 7 PIN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5945-00-518-9206, 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
510999-9
NSN: 5945-00-518-9206
FSC: 5945
CAGE: 22525 — INSTRUMENTS AND FLIGHT RESEARCH, INC. (USA)
SPECIFICATIONS
overall_length1.625 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
overall_diameter1.271 INCHES MINIMUM AND 1.301 INCHES MAXIMUM IN
contact_arrangementSINGLE POLE, SINGLE THROW, NORMALLY CLOSED
delay_time_in_seconds3.0 FIXED OPERATE MINIMUM AND 7.0 FIXED OPERATE MAXIMUM
environmental_protectionHERMETIC
terminal_type_and_quantity7 PIN
heater_power_rating_in_watts3.5
mounting_facility_type_and_quantity1 PLUG-IN
contact_maximum_current_rating_in_amps1.5 AC
NSN5945-00-518-9206
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY,THERMAL TITLE COMPONENT PN 510999-9 MFR RELAY,THERMAL
KEY FEATURES
CONTACT ARRANGEMENT: SINGLE POLE, SINGLE THROW, NORMALLY CLOSED
HEATER VOLTAGE RATING IN VOLTS: 26.5
CONTACT MAXIMUM VOLTAGE RATING IN VOLTS: 230.0 AC
ENVIRONMENTAL PROTECTION: HERMETIC
DELAY TIME IN SECONDS: 3.0 FIXED OPERATE MINIMUM AND 7.0 FIXED OPERATE MAXIMUM
OVERALL DIAMETER: 1.271 INCHES MINIMUM AND 1.301 INCHES MAXIMUM IN
TERMINAL TYPE AND QUANTITY: 7 PIN
TECHNICAL CHARACTERISTICS (FLIS)
CONTACT ARRANGEMENTSINGLE POLE, SINGLE THROW, NORMALLY CLOSED
HEATER VOLTAGE RATING IN VOLTS26.5
CONTACT MAXIMUM VOLTAGE RATING IN VOLTS230.0 AC
OVERALL LENGTH1.625 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
ENVIRONMENTAL PROTECTIONHERMETIC
DELAY TIME IN SECONDS3.0 FIXED OPERATE MINIMUM AND 7.0 FIXED OPERATE MAXIMUM
OVERALL DIAMETER1.271 INCHES MINIMUM AND 1.301 INCHES MAXIMUM IN
TERMINAL TYPE AND QUANTITY7 PIN
CONTACT MAXIMUM CURRENT RATING IN AMPS1.5 AC
HEATER POWER RATING IN WATTS3.5
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
D31129Interchangeable
interchangeable cross-reference
interchangeable
7EQH4221Interchangeable
interchangeable cross-reference
interchangeable
774025Interchangeable
interchangeable cross-reference
interchangeable
27817Interchangeable
interchangeable cross-reference
interchangeable
MIL-C-15305Interchangeable
interchangeable cross-reference
interchangeable
LT4K258Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 510999-9?
510999-9 is a RELAY,THERMAL.
What parts can replace 510999-9?
There are 12 known substitutes for 510999-9: D31129, 7EQH4221, 774025 and 9 more. Substitute compatibility should be verified for your specific system.
Is 510999-9 still available?
510999-9 is currently cancelled.
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