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PartsTable / COMPONENT / 16819-04
16819-04 ✓ Verified by PartsTable
— · 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 WINDOW,OPTICAL INSTRUMENT is a the manufacturer optical transceiver module designed for high-speed data center interconnects. Key specifications include width: 8.125 INCHES NOMINAL IN, length: 12.188 INCHES NOMINAL IN, material: GERMANIUM LOCATION NOT OTHERWISE SPECIFIED, special_features: TRANSMITTANCE 90% T AVG 8.0 TO 11.5 MICRONS. HAS MLAR (MULTI-LAYER ANTI-REFLECTION) COATING., polished_periphery: PROVIDED, reference_number_differentiating_characteristics: AS DIFFERENTIATED BY BOEING DRAWING NUMBER 10-30477-1 CAGE 82918.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1240-00-499-4247, 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
16819-04
NSN: 1240-00-499-4247
FSC: 1240
CAGE: 22669 — COHERENT AEROSPACE & DEFENSE, INC. (USA)
SPECIFICATIONS
width8.125 INCHES NOMINAL IN
length12.188 INCHES NOMINAL IN
materialGERMANIUM LOCATION NOT OTHERWISE SPECIFIED
special_featuresTRANSMITTANCE 90% T AVG 8.0 TO 11.5 MICRONS. HAS MLAR (MULTI-LAYER ANTI-REFLECTION) COATING.
polished_peripheryPROVIDED
reference_number_differentiating_characteristicsAS DIFFERENTIATED BY BOEING DRAWING NUMBER 10-30477-1 CAGE 82918
NSN1240-00-499-4247
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WINDOW,OPTICAL INSTRUMENT TITLE COMPONENT PN 16819-04 MFR WINDOW,OPTICAL INSTRUM
KEY FEATURES
•
MATERIAL: GERMANIUM LOCATION NOT OTHERWISE SPECIFIED
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: AS DIFFERENTIATED BY BOEING DRAWING NUMBER 10-30477-1 CAGE 82918
•
LENGTH: 12.188 INCHES NOMINAL IN
•
WIDTH: 8.125 INCHES NOMINAL IN
•
POLISHED PERIPHERY: PROVIDED
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)
MATERIALGERMANIUM LOCATION NOT OTHERWISE SPECIFIED
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY BOEING DRAWING NUMBER 10-30477-1 CAGE 82918
LENGTH12.188 INCHES NOMINAL IN
WIDTH8.125 INCHES NOMINAL IN
POLISHED PERIPHERYPROVIDED
SPECIAL FEATURESTRANSMITTANCE 90% T AVG 8.0 TO 11.5 MICRONS. HAS MLAR (MULTI-LAYER ANTI-REFLECTION) COATING.
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
389906ITEM7Interchangeable
interchangeable cross-reference
interchangeable
3399ITEM7Interchangeable
interchangeable cross-reference
interchangeable
16-819Interchangeable
interchangeable cross-reference
interchangeable
7503Interchangeable
interchangeable cross-reference
interchangeable
22218CW33C3Interchangeable
interchangeable cross-reference
interchangeable
16-821Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 16819-04?
16819-04 is a WINDOW,OPTICAL INSTRUMENT.
What parts can replace 16819-04?
There are 8 known substitutes for 16819-04: 389906ITEM7, 3399ITEM7, 16-819 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 16819-04?
16819-04 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1240-00-499-4247. 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: July 2026