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10556091 — CASE,OPTICAL INSTRUMENT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

10556091: 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: MISCELLANEOUS ARTILLERY. This part is cataloged in the U.S.

Government catalog under NSN 1240-01-124-0341, 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
10556091
NSN: 1240-01-124-0341
FSC: 1240 — Optical Sighting and Ranging Equipment
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
end_item_identificationMISCELLANEOUS ARTILLERY
NSN1240-01-124-0341
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CASE,OPTICAL INSTRUMENT TITLE COMPONENT PN 10556091 MFR CASE,OPTICAL INSTRUMEN
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
SPECIAL FEATURES3 BRACKET 10556052,12 RIVET MS16595-253,12 WASHER MS15795-806,STRAP 8644362,CASE 10556092,2 RIVET MS20470-A4-9,2 WASHER MS15795-706,PLATE 10553486,HANDLE 8644300,6 RIVET MS20470-A4-8,ADHESIVE TYPE II MMM-A-1617,SEAL 86443A9,3 CATCH 10531763-5,6 RIVET MS20470-A4-10,3 PLATE 8644370,3 PLATE 10549856
END ITEM IDENTIFICATIONMISCELLANEOUS ARTILLERY
OTHER ITEMS IN FSC 1240 — Optical Sighting and Ranging Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1240-00-000-0160 1240-00-001-4014 1240-00-001-4015 1240-00-001-4488 1240-00-003-1076 1240-00-003-8404 1240-00-003-8405 1240-00-003-8406
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 10556091?
10556091 is a CASE,OPTICAL INSTRUMENT.
What is the NSN for 10556091?
10556091 is cataloged in the U.S. Government catalog under NSN 1240-01-124-0341. 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.