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278693PC16 — WINDOW,OPTICAL INSTRUMENT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

278693PC16: WINDOW,OPTICAL INSTRUMENT.

The WINDOW,OPTICAL INSTRUMENT is a the manufacturer optical transceiver module designed for high-speed data center interconnects. Key specifications include material: GLASS OPTICAL LOCATION NOT OTHERWISE SPECIFIED, polished_periphery: NOT PROVIDED, end_item_identification: RANGEFINDER MK57, material_document_and_classification: JAN-G-174, GRADE A MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED. This part is cataloged in the U.S.

Government catalog under NSN 1240-00-210-4336, 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
278693PC16
NSN: 1240-00-210-4336
FSC: 1240 — Optical Sighting and Ranging Equipment
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialGLASS OPTICAL LOCATION NOT OTHERWISE SPECIFIED
polished_peripheryNOT PROVIDED
end_item_identificationRANGEFINDER MK57
material_document_and_classificationJAN-G-174, GRADE A MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
NSN1240-00-210-4336
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WINDOW,OPTICAL INSTRUMENT TITLE COMPONENT PN 278693PC16 MFR WINDOW,OPTICAL INSTRUM
KEY FEATURES
•
MATERIAL DOCUMENT AND CLASSIFICATION: JAN-G-174, GRADE A MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
•
POLISHED PERIPHERY: NOT 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 CLASSIFICATIONJAN-G-174, GRADE A MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
POLISHED PERIPHERYNOT PROVIDED
END ITEM IDENTIFICATIONRANGEFINDER MK57
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: Semi-active item — no replacement plannedDemilitarization required — mutilation + specific procedure
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FREQUENTLY ASKED QUESTIONS
What is 278693PC16?
278693PC16 is a WINDOW,OPTICAL INSTRUMENT.
What is the NSN for 278693PC16?
278693PC16 is cataloged in the U.S. Government catalog under NSN 1240-00-210-4336. 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.