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12549116 — WINDOW,OPTICAL INSTRUMENT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

12549116: WINDOW,OPTICAL INSTRUMENT.

The WINDOW,OPTICAL INSTRUMENT is a the manufacturer optical transceiver module designed for high-speed data center interconnects. Key specifications include diameter: 2.440 INCHES NOMINAL IN, material: GLASS OPTICAL LOCATION NOT OTHERWISE SPECIFIED, polished_periphery: PROVIDED, material_document_and_classification: MIL-G-174, GRADE B, TYPE 517-642 MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED. This part is cataloged in the U.S.

Government catalog under NSN 1240-01-291-2782, 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
12549116
NSN: 1240-01-291-2782
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
diameter2.440 INCHES NOMINAL IN
materialGLASS OPTICAL LOCATION NOT OTHERWISE SPECIFIED
polished_peripheryPROVIDED
material_document_and_classificationMIL-G-174, GRADE B, TYPE 517-642 MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
NSN1240-01-291-2782
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WINDOW,OPTICAL INSTRUMENT TITLE COMPONENT PN 12549116 MFR WINDOW,OPTICAL INSTRUM
KEY FEATURES
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-174, GRADE B, TYPE 517-642 MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
•
DIAMETER: 2.440 INCHES NOMINAL IN
•
POLISHED PERIPHERY: PROVIDED
•
MATERIAL: GLASS OPTICAL LOCATION NOT OTHERWISE SPECIFIED
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
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-174, GRADE B, TYPE 517-642 MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
DIAMETER2.440 INCHES NOMINAL IN
POLISHED PERIPHERYPROVIDED
MATERIALGLASS OPTICAL LOCATION NOT OTHERWISE SPECIFIED
OTHER ITEMS IN FSC 1240 — Optical Sighting and Ranging Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1240-00-764-4734 1240-00-987-5071 1240-01-068-6676 1240-01-082-8849 1240-01-090-0609 1240-01-102-4266 1240-01-110-9897 1240-01-361-6090
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation + specific procedure
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FREQUENTLY ASKED QUESTIONS
What is 12549116?
12549116 is a WINDOW,OPTICAL INSTRUMENT.
What is the NSN for 12549116?
12549116 is cataloged in the U.S. Government catalog under NSN 1240-01-291-2782. 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.