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Technical Data Sheet
PartsTable / COMPONENT / CT1665
CT1665 ✓ 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 MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include material: PLASTIC, head_type: FIXED, unit_type: DOUBLE JAW, bowl_shape: ROUND FRONT, head_style: FLAT CHAMFER, seat_cover: NOT PROVIDED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-177-1357, 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
CT1665
NSN: 5962-01-177-1357
FSC: 5962
CAGE: 32116 — MARCONI CIRCUIT TECHNOLOGY CORP MICROELECTRONICS DIV (USA)
SPECIFICATIONS
materialPLASTIC
head_typeFIXED
unit_typeDOUBLE JAW
bowl_shapeROUND FRONT
head_styleFLAT CHAMFER
seat_coverNOT PROVIDED
tank_colorWHITE
head_height0.546 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN
display_typeLIQUID CRYSTAL
thread_class3A A
head_diameter0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
overall_depth0.750 INCHES NOMINAL IN
NSN5962-01-177-1357
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN CT1665 MFR MICROCIRCUIT,DIGITAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
4048Interchangeable
interchangeable cross-reference
interchangeable
52T-4Interchangeable
interchangeable cross-reference
interchangeable
5120-00-180-2937Interchangeable
interchangeable cross-reference
interchangeable
E5290Interchangeable
interchangeable cross-reference
interchangeable
T114Interchangeable
interchangeable cross-reference
interchangeable
B107.13Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CT1665?
CT1665 is a MICROCIRCUIT,DIGITAL.
What parts can replace CT1665?
There are 11 known substitutes for CT1665: 4048, 52T-4, 5120-00-180-2937 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CT1665?
CT1665 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-177-1357. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026