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Technical Data Sheet
2551D0004 ✓ 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,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include duty_type: CONTINUOUS, overall_width: 0.500 INCHES NOMINAL IN, overall_height: 0.600 INCHES NOMINAL IN, overall_length: 1.300 INCHES NOMINAL IN, environmental_protection: HERMETIC, terminal_type_and_quantity: 2 PIN CONTACTS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5945-00-498-1382, 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
2551D0004
NSN: 5945-00-498-1382
FSC: 5945
CAGE: 87557 — LOCKHEED CORP LOCKHEED ELECTRONICS CO INC (USA)
SPECIFICATIONS
duty_typeCONTINUOUS
coil_quantity1
overall_width0.500 INCHES NOMINAL IN
overall_height0.600 INCHES NOMINAL IN
overall_length1.300 INCHES NOMINAL IN
winding_quantity1
environmental_protectionHERMETIC
terminal_type_and_quantity2 PIN CONTACTS
winding_dc_resistance_rating2.350 KILOHMS NOMINAL SINGLE WINDING
mounting_facility_type_and_quantity1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
main_contact_maximum_voltage_rating_in_volts28.0 DC
operating_voltage_rating_and_type_at_specified_temp28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
NSN5945-00-498-1382
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY,ELECTROMAGNETIC TITLE COMPONENT PN 2551D0004 MFR RELAY,ELECTROMAGNETIC
KEY FEATURES
MAIN CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE: 250.0 MILLIAMPERES DC RESISTIVE LOAD
WINDING DC RESISTANCE RATING: 2.350 KILOHMS NOMINAL SINGLE WINDING
DUTY TYPE: CONTINUOUS
TERMINAL TYPE AND QUANTITY: 2 PIN CONTACTS
OPERATING VOLTAGE RATING AND TYPE AT SPECIFIED TEMP: 28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
MAIN CONTACT MAXIMUM VOLTAGE RATING IN VOLTS: 28.0 DC
MOUNTING FACILITY TYPE AND QUANTITY: 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
TECHNICAL CHARACTERISTICS (FLIS)
MAIN CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE250.0 MILLIAMPERES DC RESISTIVE LOAD
WINDING DC RESISTANCE RATING2.350 KILOHMS NOMINAL SINGLE WINDING
DUTY TYPECONTINUOUS
TERMINAL TYPE AND QUANTITY2 PIN CONTACTS
TERMINAL TYPE AND QUANTITY2 WIRE LEAD ENERGIZING ELEMENT
OPERATING VOLTAGE RATING AND TYPE AT SPECIFIED TEMP28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
MAIN CONTACT MAXIMUM VOLTAGE RATING IN VOLTS28.0 DC
MOUNTING FACILITY TYPE AND QUANTITY1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
COIL QUANTITY1
ENVIRONMENTAL PROTECTIONHERMETIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
1-4100Interchangeable
interchangeable cross-reference
interchangeable
T4Interchangeable
interchangeable cross-reference
interchangeable
4100-01Interchangeable
interchangeable cross-reference
interchangeable
20-58448-3Interchangeable
interchangeable cross-reference
interchangeable
41000-100-1Interchangeable
interchangeable cross-reference
interchangeable
41000Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2551D0004?
2551D0004 is a RELAY,ELECTROMAGNETIC.
What parts can replace 2551D0004?
There are 13 known substitutes for 2551D0004: 1-4100, T4, 4100-01 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2551D0004?
2551D0004 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5945-00-498-1382. This indicates validated use in U.S. government and defense supply chains.
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