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031521 — LENS,OPTICAL INSTRUMENT

✓ Government record, cited
QIOPTIQ LTD · COMPONENT
PRODUCT OVERVIEW

031521: LENS,OPTICAL INSTRUMENT.

The LENS,OPTICAL INSTRUMENT is a QIOPTIQ LTD optical transceiver module designed for high-speed data center interconnects. Key specifications include LENGTH: 157.750 INCHES NOMINAL IN, DIAMETER: 161.150 INCHES NOMINAL IN, MATERIAL: GLASS OPTICAL, AXIAL THICKNESS: 9.130 INCHES NOMINAL IN, SINGLE LENS STYLE: MENISCUS DIVERGING, END ITEM IDENTIFICATION: F-16C/D ACFT USAF. This part is cataloged in the U.S.

Government catalog under NSN 6650-01-193-8982, 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
031521
NSN: 6650-01-193-8982
FSC: 6650 — Optical Instruments, Test Equipment, Components and Accessories
CAGE: K6111 — QIOPTIQ LTD (GBR)
SPECIFICATIONS
LENGTH157.750 INCHES NOMINAL IN
DIAMETER161.150 INCHES NOMINAL IN
MATERIALGLASS OPTICAL
AXIAL THICKNESS9.130 INCHES NOMINAL IN
SINGLE LENS STYLEMENISCUS DIVERGING
END ITEM IDENTIFICATIONF-16C/D ACFT USAF
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-174, CLASS 1, GRADE B MIL SPEC SINGLE MATERIAL RESPONSE
NSN6650-01-193-8982
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: QIOPTIQ LTD LENS,OPTICAL INSTRUMENT TITLE COMPONENT PN 031521 MFR QIOPTIQ LTD LENS,OPTICAL INSTRUMEN
KEY FEATURES
•
LENGTH: 157.750 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-174, CLASS 1, GRADE B MIL SPEC SINGLE MATERIAL RESPONSE
•
DIAMETER: 161.150 INCHES NOMINAL IN
•
AXIAL THICKNESS: 9.130 INCHES NOMINAL IN
•
MATERIAL: GLASS OPTICAL
•
SINGLE LENS STYLE: MENISCUS DIVERGING
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
LENGTH157.750 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-174, CLASS 1, GRADE B MIL SPEC SINGLE MATERIAL RESPONSE
DIAMETER161.150 INCHES NOMINAL IN
AXIAL THICKNESS9.130 INCHES NOMINAL IN
END ITEM IDENTIFICATIONF-16C/D ACFT USAF
MATERIALGLASS OPTICAL
SINGLE LENS STYLEMENISCUS DIVERGING
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
Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 031521?
031521 is a LENS,OPTICAL INSTRUMENT manufactured by QIOPTIQ LTD.
What is the NSN for 031521?
031521 is cataloged in the U.S. Government catalog under NSN 6650-01-193-8982. 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.