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Technical Data Sheet
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8990741 — Technical Data Sheet

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ROCKWELL COLLINS, INC. DBA RC DISPLAYS SYSTEMS · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The MIRROR,OPTICAL INSTRUMENT is a ROCKWELL COLLINS, INC. DBA RC DISPLAYS SYSTEMS optical transceiver module designed for high-speed data center interconnects. Key specifications include DIAMETER: 2.000 INCHES NOMINAL IN, THICKNESS: 0.500 INCHES NOMINAL IN, SPECIAL FEATURES: 88 PERCENT VISIBLE ; 90 PERCENT INFRARED ; ONE TENTH WAVE, END ITEM IDENTIFICATION: 43 BORESIGHT.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6650-01-385-6989, 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
8990741
NSN: 6650-01-385-6989
FSC: 6650
CAGE: 09344 — ROCKWELL COLLINS, INC. DBA RC DISPLAYS SYSTEMS (USA)
SPECIFICATIONS
DIAMETER2.000 INCHES NOMINAL IN
THICKNESS0.500 INCHES NOMINAL IN
SPECIAL FEATURES88 PERCENT VISIBLE ; 90 PERCENT INFRARED ; ONE TENTH WAVE
END ITEM IDENTIFICATION43 BORESIGHT
NSN6650-01-385-6989
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: ROCKWELL COLLINS, INC. DBA RC DISPLAYS SYSTEMS MIRROR,OPTICAL INSTRUMENT TITLE COMPONENT PN 8990741 MFR ROCKWELL COLLINS, INC. DBA RC DISPLAYS SYSTEMS MIRROR,OPTICAL INSTRUM
KEY FEATURES
•
DIAMETER: 2.000 INCHES NOMINAL IN
•
THICKNESS: 0.500 INCHES NOMINAL 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 (FLIS)
DIAMETER2.000 INCHES NOMINAL IN
END ITEM IDENTIFICATION43 BORESIGHT
SPECIAL FEATURES88 PERCENT VISIBLE ; 90 PERCENT INFRARED ; ONE TENTH WAVE
THICKNESS0.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
513D477M050EK4DInterchangeable
interchangeable cross-reference
interchangeable
503D477F050QGInterchangeable
interchangeable cross-reference
interchangeable
503D477G050ETInterchangeable
interchangeable cross-reference
interchangeable
797-14Interchangeable
interchangeable cross-reference
interchangeable
600-020Interchangeable
interchangeable cross-reference
interchangeable
5371-451Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8990741?
8990741 is a MIRROR,OPTICAL INSTRUMENT manufactured by ROCKWELL COLLINS, INC. DBA RC DISPLAYS SYSTEMS.
What parts can replace 8990741?
There are 8 known substitutes for 8990741: 513D477M050EK4D, 503D477F050QG, 503D477G050ET and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8990741?
8990741 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6650-01-385-6989. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026