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856E495P3 — RETICLE,OPTICAL INSTRUMENT

✓ Government record, cited
FLUOR MARINE PROPULSION, LLC DBA KNOLLS ATOMIC POWER LABORATORY · COMPONENT
PRODUCT OVERVIEW

856E495P3: RETICLE,OPTICAL INSTRUMENT.

The RETICLE,OPTICAL INSTRUMENT is a FLUOR MARINE PROPULSION, LLC DBA KNOLLS ATOMIC POWER LABORATORY optical transceiver module designed for high-speed data center interconnects. Key specifications include DIAMETER: 2.2493 INCHES MINIMUM AND 2.2498 INCHES MAXIMUM IN, SPECIAL FEATURES: STAINLESS STEEL WIRES UNDER TENSION PAIRED FOR ACCURACY;NAVAL NUCLEAR PROPULSION PROGRAM, STYLE DESIGNATOR: CROSSLINE, GRADUATIONS/MARKINGS: CROSS LINE. This part is cataloged in the U.S.

Government catalog under NSN 6650-01-384-7841, 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
856E495P3
NSN: 6650-01-384-7841
FSC: 6650 — Optical Instruments, Test Equipment, Components and Accessories
CAGE: 04241 — FLUOR MARINE PROPULSION, LLC DBA KNOLLS ATOMIC POWER LABORATORY (USA)
SPECIFICATIONS
DIAMETER2.2493 INCHES MINIMUM AND 2.2498 INCHES MAXIMUM IN
SPECIAL FEATURESSTAINLESS STEEL WIRES UNDER TENSION PAIRED FOR ACCURACY;NAVAL NUCLEAR PROPULSION PROGRAM
STYLE DESIGNATORCROSSLINE
GRADUATIONS/MARKINGSCROSS LINE
NSN6650-01-384-7841
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: FLUOR MARINE PROPULSION, LLC DBA KNOLLS ATOMIC POWER LABORATORY RETICLE,OPTICAL INSTRUMENT TITLE COMPONENT PN 856E495P3 MFR FLUOR MARINE PROPULSION, LLC DBA KNOLLS ATOMIC POWER LABORATORY RETICLE,OPTICAL INSTRU
KEY FEATURES
•
GRADUATIONS/MARKINGS: CROSS LINE
•
STYLE DESIGNATOR: CROSSLINE
•
DIAMETER: 2.2493 INCHES MINIMUM AND 2.2498 INCHES MAXIMUM IN
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
GRADUATIONS/MARKINGSCROSS LINE
STYLE DESIGNATORCROSSLINE
DIAMETER2.2493 INCHES MINIMUM AND 2.2498 INCHES MAXIMUM IN
SPECIAL FEATURESSTAINLESS STEEL WIRES UNDER TENSION PAIRED FOR ACCURACY;NAVAL NUCLEAR PROPULSION PROGRAM
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 856E495P3?
856E495P3 is a RETICLE,OPTICAL INSTRUMENT manufactured by FLUOR MARINE PROPULSION, LLC DBA KNOLLS ATOMIC POWER LABORATORY.
What is the NSN for 856E495P3?
856E495P3 is cataloged in the U.S. Government catalog under NSN 6650-01-384-7841. 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.