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641983 — LEVEL,OPTICAL,AUTOMATIC

✓ Government record, cited
LEICA GEOSYSTEMS INC. · COMPONENT
PRODUCT OVERVIEW

641983: LEVEL,OPTICAL,AUTOMATIC.

The LEVEL,OPTICAL,AUTOMATIC is a LEICA GEOSYSTEMS INC. optical transceiver module designed for high-speed data center interconnects. Key specifications include END ITEM IDENTIFICATION: 6675012737812.

This part is cataloged in the U.S. Government catalog under NSN 6650-01-279-7136, 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
641983
NSN: 6650-01-279-7136
FSC: 6650 — Optical Instruments, Test Equipment, Components and Accessories
CAGE: 35643 — LEICA GEOSYSTEMS INC. (USA)
SPECIFICATIONS
END ITEM IDENTIFICATION6675012737812
NSN6650-01-279-7136
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: LEICA GEOSYSTEMS INC. LEVEL,OPTICAL,AUTOMATIC TITLE COMPONENT PN 641983 MFR LEICA GEOSYSTEMS INC. LEVEL,OPTICAL,AUTOMATI
TYPICAL APPLICATIONS
  • Data center switch-to-switch interconnects
  • Server-to-storage fabric connectivity
  • Long-distance fiber optic links
  • High-speed uplink connections (10G/25G/40G/100G)
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATION6675012737812
SUBSTITUTES & CROSS-REFERENCES 2
64047Reference document
Same NSN cross-reference
Reference document — Secondary reference
437063Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 641983?
641983 is a LEVEL,OPTICAL,AUTOMATIC manufactured by LEICA GEOSYSTEMS INC..
What parts can replace 641983?
There are 2 known substitutes for 641983: 64047, 437063. Substitute compatibility should be verified for your specific system.
What is the NSN for 641983?
641983 is cataloged in the U.S. Government catalog under NSN 6650-01-279-7136. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.