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265527 — FILTER,LIGHT,OPTICAL INSTRUMENT

✓ Government record, cited
LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD · COMPONENT
PRODUCT OVERVIEW

265527: FILTER,LIGHT,OPTICAL INSTRUMENT.

FILTER,LIGHT,OPTICAL INSTRUMENT. Key specifications include MATERIAL: GLASS SURFACE, OVERALL DIAMETER: 45.0 MILLIMETERS NOMINAL MM, OVERALL THICKNESS: 4.0 MILLIMETERS NOMINAL MM, DENSITY VARIABILITY: NOT VARIABLE. This part is cataloged in the U.S.

Government catalog under NSN 6650-00-334-3564, 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
265527
NSN: 6650-00-334-3564
FSC: 6650 — Optical Instruments, Test Equipment, Components and Accessories
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
MATERIALGLASS SURFACE
OVERALL DIAMETER45.0 MILLIMETERS NOMINAL MM
OVERALL THICKNESS4.0 MILLIMETERS NOMINAL MM
DENSITY VARIABILITYNOT VARIABLE
NSN6650-00-334-3564
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD FILTER,LIGHT,OPTICAL INSTRUMENT TITLE COMPONENT PN 265527 MFR LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD FILTER,LIGHT,OPTICAL I
KEY FEATURES
•
OVERALL DIAMETER: 45.0 MILLIMETERS NOMINAL MM
•
OVERALL THICKNESS: 4.0 MILLIMETERS NOMINAL MM
•
DENSITY VARIABILITY: NOT VARIABLE
•
MATERIAL: GLASS SURFACE
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
OVERALL DIAMETER45.0 MILLIMETERS NOMINAL MM
OVERALL THICKNESS4.0 MILLIMETERS NOMINAL MM
DENSITY VARIABILITYNOT VARIABLE
MATERIALGLASS SURFACE
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 265527?
265527 is a FILTER,LIGHT,OPTICAL INSTRUMENT manufactured by LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD.
What is the NSN for 265527?
265527 is cataloged in the U.S. Government catalog under NSN 6650-00-334-3564. 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.