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Technical Data Sheet
40668 ✓ Verified by PartsTable
Lindy · 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 SEMICONDUCTOR DEVICE,THYRISTOR is a Lindy industrial component. Key specifications include material: STEEL OVERALL, body_material: STEEL, bore_diameter: 2.000 INCHES NOMINAL IN, overall_width: 0.395 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN, end_similarity: NOT IDENTICAL, overall_height: 0.160 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-00-106-1878, 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
40668
NSN: 3040-00-106-1878
FSC: 3040
CAGE: 26344 — NEW HAVEN MFG CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_materialSTEEL
bore_diameter2.000 INCHES NOMINAL IN
overall_width0.395 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
end_similarityNOT IDENTICAL
overall_height0.160 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
overall_length1.075 INCHES MINIMUM AND 1.100 INCHES MAXIMUM IN
surface_finish16.0 MICROINCHES
drive_end_shapeSQUARE SINGLE END INTERNAL
extended_length29.00 INCHES NOMINAL IN
first_end_stylePLAIN
second_end_styleTWO CIRCULAR GROOVES
NSN3040-00-106-1878
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Lindy SEMICONDUCTOR DEVICE,THYRISTOR TITLE COMPONENT PN 40668 MFR Lindy SEMICONDUCTOR DEVICE,T
KEY FEATURES
SECOND END GROOVE DIAMETER: 0.0950 INCHES NOMINAL IN
END SIMILARITY: NOT IDENTICAL
MATERIAL: STEEL COMP 303
SECOND END DIAMETER: 0.1245 INCHES NOMINAL IN
SECOND END DISTANCE FROM END TO GROOVE: 0.050 INCHES NOMINAL IN
FIRST END STYLE: PLAIN
SECOND END DISTANCE BETWEEN FIRST AND SECOND GROOVE CENTERS: 0.283 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SECOND END GROOVE DIAMETER0.0950 INCHES NOMINAL IN
END SIMILARITYNOT IDENTICAL
MATERIALSTEEL COMP 303
SECOND END DIAMETER0.1245 INCHES NOMINAL IN
SECOND END DISTANCE FROM END TO GROOVE0.050 INCHES NOMINAL IN
FIRST END STYLEPLAIN
OVERALL LENGTH0.940 INCHES NOMINAL IN
SECOND END DISTANCE BETWEEN FIRST AND SECOND GROOVE CENTERS0.283 INCHES NOMINAL IN
SECOND END STYLETWO CIRCULAR GROOVES
FIRST END DIAMETER0.1245 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
00-237-0978Interchangeable
interchangeable cross-reference
interchangeable
XU182Interchangeable
interchangeable cross-reference
interchangeable
AS954Interchangeable
interchangeable cross-reference
interchangeable
172Interchangeable
interchangeable cross-reference
interchangeable
505-180Interchangeable
interchangeable cross-reference
interchangeable
40668Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40668?
40668 is a SEMICONDUCTOR DEVICE,THYRISTOR manufactured by Lindy.
What parts can replace 40668?
There are 7 known substitutes for 40668: 00-237-0978, XU182, AS954 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40668?
40668 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-00-106-1878. This indicates validated use in U.S. government and defense supply chains.
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