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Technical Data Sheet
PartsTable / COMPONENT / 644332-3
644332-3 ✓ 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 material: STEEL, duty_type: CONTINUOUS, body_length: 0.812 INCHES NOMINAL IN, overall_width: 2.000 INCHES NOMINAL IN, rating_method: WINDING TURNS SINGLE COMPONENT SINGLE WINDING, turn_quantity: 5 SINGLE COMPONENT SINGLE WINDING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1660-00-397-5375, 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
644332-3
NSN: 1660-00-397-5375
FSC: 1660
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
materialSTEEL
duty_typeCONTINUOUS
body_length0.812 INCHES NOMINAL IN
coil_quantity1
overall_width2.000 INCHES NOMINAL IN
rating_methodWINDING TURNS SINGLE COMPONENT SINGLE WINDING
turn_quantity5 SINGLE COMPONENT SINGLE WINDING
coil_form_typeHOLLOW SINGLE COMPONENT
inclosure_typeFULLY INCLOSED
overall_height1.500 INCHES NOMINAL IN
overall_length18.000 INCHES NOMINAL IN
mounting_methodTHREADED BUSHING SINGLE GROUP
NSN1660-00-397-5375
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY,ELECTROMAGNETIC TITLE COMPONENT PN 644332-3 MFR RELAY,ELECTROMAGNETIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
11871Interchangeable
interchangeable cross-reference
interchangeable
1200Interchangeable
interchangeable cross-reference
interchangeable
55-118Interchangeable
interchangeable cross-reference
interchangeable
B107.52Interchangeable
interchangeable cross-reference
interchangeable
B107.52 TY2CL2Interchangeable
interchangeable cross-reference
interchangeable
545-0539-002Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 644332-3?
644332-3 is a RELAY,ELECTROMAGNETIC.
What parts can replace 644332-3?
There are 10 known substitutes for 644332-3: 11871, 1200, 55-118 and 7 more. Substitute compatibility should be verified for your specific system.
Is 644332-3 still available?
644332-3 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026