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594820 — EYESHIELD,OPTICAL INSTRUMENT

✓ Government record, cited
NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP · COMPONENT
PRODUCT OVERVIEW

594820: EYESHIELD,OPTICAL INSTRUMENT.

The EYESHIELD,OPTICAL INSTRUMENT is a NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP optical transceiver module designed for high-speed data center interconnects. Key specifications include MATERIAL: RUBBER AND SILICON, OVERALL LENGTH: 0.500 INCHES NOMINAL IN, ATTACHMENT METHOD: SLIP ON, VIEWING END INSIDE DIAMETER: 1.590 INCHES IN, ATTACHMENT END INSIDE DIAMETER: 1.840 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 6650-01-019-0854, 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
594820
NSN: 6650-01-019-0854
FSC: 6650 — Optical Instruments, Test Equipment, Components and Accessories
CAGE: 06481 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
MATERIALRUBBER AND SILICON
OVERALL LENGTH0.500 INCHES NOMINAL IN
ATTACHMENT METHODSLIP ON
VIEWING END INSIDE DIAMETER1.590 INCHES IN
ATTACHMENT END INSIDE DIAMETER1.840 INCHES IN
NSN6650-01-019-0854
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP EYESHIELD,OPTICAL INSTRUMENT TITLE COMPONENT PN 594820 MFR NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP EYESHIELD,OPTICAL INST
KEY FEATURES
•
ATTACHMENT END INSIDE DIAMETER: 1.840 INCHES IN
•
VIEWING END INSIDE DIAMETER: 1.590 INCHES IN
•
MATERIAL: RUBBER AND SILICON
•
ATTACHMENT METHOD: SLIP ON
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 LENGTH0.500 INCHES NOMINAL IN
ATTACHMENT END INSIDE DIAMETER1.840 INCHES IN
VIEWING END INSIDE DIAMETER1.590 INCHES IN
MATERIALRUBBER AND SILICON
ATTACHMENT METHODSLIP ON
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 594820?
594820 is a EYESHIELD,OPTICAL INSTRUMENT manufactured by NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP.
What is the NSN for 594820?
594820 is cataloged in the U.S. Government catalog under NSN 6650-01-019-0854. 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.