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PartsTable / COMPONENT / 1866 3/4IN
1866 3/4IN ✓ 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 1866 3/4IN is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3455-00-254-8474, 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
1866 3/4IN
NSN: 3455-00-254-8474
FSC: 3455
CAGE: 41672 — MORSE CUTTING TOOLS DIV OF MORSE CUTTING TOOL CORP (USA)
SPECIFICATIONS
Part Number1866 3/4IN
NSN3455-00-254-8474
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 1866 3/4IN TITLE COMPONENT PN 1866 3/4IN MFR 1866 3/4IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
9-109Interchangeable
interchangeable cross-reference
interchangeable
3149Interchangeable
interchangeable cross-reference
interchangeable
53109Interchangeable
interchangeable cross-reference
interchangeable
40-484Interchangeable
interchangeable cross-reference
interchangeable
D779Interchangeable
interchangeable cross-reference
interchangeable
D779SUB1PT2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1866 3/4IN?
1866 3/4IN is a 1866 3/4IN.
What parts can replace 1866 3/4IN?
There are 25 known substitutes for 1866 3/4IN: 9-109, 3149, 53109 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1866 3/4IN?
1866 3/4IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 3455-00-254-8474. 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