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5525889 — LENS,OPTICAL INSTRUMENT

✓ Government record, cited
NAVAL SEA SYSTEMS COMMAND · COMPONENT
PRODUCT OVERVIEW

5525889: LENS,OPTICAL INSTRUMENT.

The LENS,OPTICAL INSTRUMENT is a NAVAL SEA SYSTEMS COMMAND optical transceiver module designed for high-speed data center interconnects. Key specifications include MATERIAL: GLASS OPTICAL, COMPOUND LENS STYLE: DOUBLET, END ITEM IDENTIFICATION: GUN MOUNT,MK-75, ELEMENT LEFT SURFACE RADIUS: 44.3 MILLIMETERS MM, ELEMENT RIGHT SURFACE RADIUS: 44.3 MILLIMETERS MM, COMPOUND LENS OVERALL AXIAL THICKNESS: 11.5 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 6650-01-285-9704, 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
5525889
NSN: 6650-01-285-9704
FSC: 6650 — Optical Instruments, Test Equipment, Components and Accessories
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
MATERIALGLASS OPTICAL
COMPOUND LENS STYLEDOUBLET
END ITEM IDENTIFICATIONGUN MOUNT,MK-75
ELEMENT LEFT SURFACE RADIUS44.3 MILLIMETERS MM
ELEMENT RIGHT SURFACE RADIUS44.3 MILLIMETERS MM
COMPOUND LENS OVERALL AXIAL THICKNESS11.5 MILLIMETERS NOMINAL MM
NSN6650-01-285-9704
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: NAVAL SEA SYSTEMS COMMAND LENS,OPTICAL INSTRUMENT TITLE COMPONENT PN 5525889 MFR NAVAL SEA SYSTEMS COMMAND LENS,OPTICAL INSTRUMEN
KEY FEATURES
•
ELEMENT LEFT SURFACE RADIUS: 44.3 MILLIMETERS MM
•
ELEMENT RIGHT SURFACE RADIUS: 44.3 MILLIMETERS MM
•
MATERIAL: GLASS OPTICAL
•
COMPOUND LENS STYLE: DOUBLET
•
COMPOUND LENS OVERALL AXIAL THICKNESS: 11.5 MILLIMETERS NOMINAL MM
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
ELEMENT LEFT SURFACE RADIUS44.3 MILLIMETERS MM
ELEMENT RIGHT SURFACE RADIUS44.3 MILLIMETERS MM
END ITEM IDENTIFICATIONGUN MOUNT,MK-75
MATERIALGLASS OPTICAL
COMPOUND LENS STYLEDOUBLET
COMPOUND LENS OVERALL AXIAL THICKNESS11.5 MILLIMETERS NOMINAL MM
OTHER ITEMS IN FSC 6650 — Optical Instruments, Test Equipment, Components and Accessories
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6650-00-000-0164 6650-00-001-2319 6650-00-001-2322 6650-00-001-2323 6650-00-001-2324 6650-00-001-2326 6650-00-001-2327 6650-00-001-2328
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 — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 5525889?
5525889 is a LENS,OPTICAL INSTRUMENT manufactured by NAVAL SEA SYSTEMS COMMAND.
What is the NSN for 5525889?
5525889 is cataloged in the U.S. Government catalog under NSN 6650-01-285-9704. 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.