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LA5042 — LENS,OPTICAL INSTRUMENT

✓ Government record, cited
THORLABS, INC · COMPONENT
PRODUCT OVERVIEW

LA5042: LENS,OPTICAL INSTRUMENT.

The LENS,OPTICAL INSTRUMENT is a THORLABS, INC optical transceiver module designed for high-speed data center interconnects. Key specifications include DIAMETER: 1.0 INCHES NOMINAL IN, SPECIAL FEATURES: CALCIUM FLOURIDE MATTERIAL, SINGLE LENS STYLE: PLANO-CONVEX, SUPPLEMENTARY FEATURES: FOCAL LENGTH 75 MILIMETERS, PART NAME ASSIGNED BY CONTROLLING AGENCY: CALCIUM FLOURIDE PLANO-CONVEX LENSES. This part is cataloged in the U.S.

Government catalog under NSN 6650-01-689-9176, 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
LA5042
NSN: 6650-01-689-9176
FSC: 6650 — Optical Instruments, Test Equipment, Components and Accessories
CAGE: 0LW43 — THORLABS, INC (USA)
SPECIFICATIONS
DIAMETER1.0 INCHES NOMINAL IN
SPECIAL FEATURESCALCIUM FLOURIDE MATTERIAL
SINGLE LENS STYLEPLANO-CONVEX
SUPPLEMENTARY FEATURESFOCAL LENGTH 75 MILIMETERS
PART NAME ASSIGNED BY CONTROLLING AGENCYCALCIUM FLOURIDE PLANO-CONVEX LENSES
NSN6650-01-689-9176
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: THORLABS, INC LENS,OPTICAL INSTRUMENT TITLE COMPONENT PN LA5042 MFR THORLABS, INC LENS,OPTICAL INSTRUMEN
KEY FEATURES
•
SUPPLEMENTARY FEATURES: FOCAL LENGTH 75 MILIMETERS
•
DIAMETER: 1.0 INCHES NOMINAL IN
•
SINGLE LENS STYLE: PLANO-CONVEX
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
SUPPLEMENTARY FEATURESFOCAL LENGTH 75 MILIMETERS
DIAMETER1.0 INCHES NOMINAL IN
SPECIAL FEATURESCALCIUM FLOURIDE MATTERIAL
PART NAME ASSIGNED BY CONTROLLING AGENCYCALCIUM FLOURIDE PLANO-CONVEX LENSES
SINGLE LENS STYLEPLANO-CONVEX
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is LA5042?
LA5042 is a LENS,OPTICAL INSTRUMENT manufactured by THORLABS, INC.
What is the NSN for LA5042?
LA5042 is cataloged in the U.S. Government catalog under NSN 6650-01-689-9176. 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.