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Technical Data Sheet
PartsTable / COMPONENT / 209542
209542 ✓ 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,OBSERVATION is a the manufacturer industrial component. Key specifications include material: GLASS, style_designator: CIRCULAR, material_transparency: CLEAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 9340-00-956-7501, 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
209542
NSN: 9340-00-956-7501
FSC: 9340
CAGE: 28260 — WASCOMAT OF AMERICA DIV OF BERMIL INDUSTRIES CORP (USA)
SPECIFICATIONS
materialGLASS
style_designatorCIRCULAR
material_transparencyCLEAR
NSN9340-00-956-7501
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WINDOW,OBSERVATION TITLE COMPONENT PN 209542 MFR WINDOW,OBSERVATION
KEY FEATURES
•
MATERIAL: GLASS
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL TRANSPARENCY: CLEAR
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALGLASS
STYLE DESIGNATORCIRCULAR
MATERIAL TRANSPARENCYCLEAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
D776AL355Interchangeable
interchangeable cross-reference
interchangeable
A83Interchangeable
interchangeable cross-reference
interchangeable
N20042Interchangeable
interchangeable cross-reference
interchangeable
D2-9723PC124Interchangeable
interchangeable cross-reference
interchangeable
D2-8699PC548Interchangeable
interchangeable cross-reference
interchangeable
AA1703-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 209542?
209542 is a WINDOW,OBSERVATION.
What parts can replace 209542?
There are 14 known substitutes for 209542: D776AL355, A83, N20042 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 209542?
209542 is cataloged in the Federal Logistics Information System (FLIS) under NSN 9340-00-956-7501. 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