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Technical Data Sheet
531666-1 ✓ 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 TRANSISTOR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 52100 OVERALL, end_style: SPRING END,GROUND BOTH ENDS, overall_length: 0.260 INCHES MAXIMUM IN, first_end_style: CHAMFERED, inside_diameter: 0.176 INCHES NOMINAL IN, mounting_method: TERMINAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-209-8393, 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
531666-1
NSN: 5360-00-209-8393
FSC: 5360
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialSTEEL COMP 52100 OVERALL
end_styleSPRING END,GROUND BOTH ENDS
coil_quantity8
overall_length0.260 INCHES MAXIMUM IN
first_end_styleCHAMFERED
inside_diameter0.176 INCHES NOMINAL IN
mounting_methodTERMINAL
terminal_length1.500 INCHES MINIMUM IN
overall_diameter0.335 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: NPN
style_designatorCYLINDRICAL
features_providedHERMETICALLY SEALED CASE
NSN5360-00-209-8393
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSISTOR TITLE COMPONENT PN 531666-1 MFR TRANSISTOR
KEY FEATURES
SPRING DEFLECTION RATE: 34.850 POUNDS PER INCH NOMINAL LBS
SPRING FREE LENGTH: 0.640 INCHES NOMINAL IN
SPRING SOLID LENGTH: 0.296 INCHES NOMINAL IN
COIL QUANTITY: 8
MATERIAL: STEEL UNS K08500 OVERALL
SURFACE TREATMENT: ZINC OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-470,COMP A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
COIL HELIX DIRECTION: RIGHT-HAND OR LEFT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
SPRING DEFLECTION RATE34.850 POUNDS PER INCH NOMINAL LBS
SPRING FREE LENGTH0.640 INCHES NOMINAL IN
SPRING SOLID LENGTH0.296 INCHES NOMINAL IN
COIL QUANTITY8
MATERIALSTEEL UNS K08500 OVERALL
SURFACE TREATMENTZINC OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-470,COMP A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
COIL HELIX DIRECTIONRIGHT-HAND OR LEFT-HAND
STYLE DESIGNATORCYLINDRICAL
SPRING FREE OUTSIDE DIAMETER0.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
2N4001Interchangeable
interchangeable cross-reference
interchangeable
531666-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 531666-1?
531666-1 is a TRANSISTOR.
What parts can replace 531666-1?
There are 2 known substitutes for 531666-1: 2N4001, 531666-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 531666-1?
531666-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-209-8393. This indicates validated use in U.S. government and defense supply chains.
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