4120839 — CASE,OPTICAL INSTRUMENT

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

4120839: CASE,OPTICAL INSTRUMENT.

The CASE,OPTICAL INSTRUMENT is a the manufacturer optical transceiver module designed for high-speed data center interconnects. Key specifications include end_item_identification: MCO SEESPOT, part_name_assigned_by_controlling_agency: SOFT CARRYING CASE. This part is cataloged in the U.S.

Government catalog under NSN 5855-01-685-9105, 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

MRO→ MRO_GENERAL→ 4120839

NSN: 5855-01-685-9105
FSC: 5855 — Night Vision Equipment, Emitted and Reflected Radiation
CAGE: 64869 — TELEDYNE FLIR, LLC DIV CORPORATE (USA)

SPECIFICATIONS

end_item_identification	MCO SEESPOT
part_name_assigned_by_controlling_agency	SOFT CARRYING CASE
NSN	5855-01-685-9105

COMPONENT DIAGRAM

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

PART NAME ASSIGNED BY CONTROLLING AGENCY	SOFT CARRYING CASE
END ITEM IDENTIFICATION	MCO SEESPOT

OTHER ITEMS IN FSC 5855 — Night Vision Equipment, Emitted and Reflected Radiation

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5855-00-003-2243 5855-00-003-3228 5855-00-003-6408 5855-00-004-0904 5855-00-004-1909 5855-00-006-9703 5855-00-007-5137 5855-00-010-0147

SUBSTITUTES & CROSS-REFERENCES 1

LFE-RECON-0007Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 4120839?

4120839 is a CASE,OPTICAL INSTRUMENT. It is classified as a MRO (MRO_GENERAL).

What parts can replace 4120839?

There is 1 known substitute for 4120839: LFE-RECON-0007. Substitute compatibility should be verified for your specific system.

What is the NSN for 4120839?

4120839 is cataloged in the U.S. Government catalog under NSN 5855-01-685-9105. This indicates validated use in U.S. government and defense supply chains.

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4120839 — CASE,OPTICAL INSTRUMENT

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