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1989304 — WINDOW,OBSERVATION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1989304: WINDOW,OBSERVATION.

The WINDOW,OBSERVATION is a the manufacturer industrial component. Key specifications include material: GLASS LAMINATE, overall_width: 11.312 INCHES NOMINAL IN, overall_length: 26.812 INCHES NOMINAL IN, style_designator: SQUARE CORNERS, overall_thickness: 0.188 INCHES NOMINAL IN, material_document_and_classification: MIL-S-3787,GRADE C,TYPE II MIL SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 9340-01-235-7985, 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
1989304
NSN: 9340-01-235-7985
FSC: 9340 — Glass Fabricated Materials
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialGLASS LAMINATE
overall_width11.312 INCHES NOMINAL IN
overall_length26.812 INCHES NOMINAL IN
style_designatorSQUARE CORNERS
overall_thickness0.188 INCHES NOMINAL IN
material_document_and_classificationMIL-S-3787,GRADE C,TYPE II MIL SPEC SINGLE MATERIAL RESPONSE
NSN9340-01-235-7985
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WINDOW,OBSERVATION TITLE COMPONENT PN 1989304 MFR WINDOW,OBSERVATION
KEY FEATURES
•
OVERALL THICKNESS: 0.188 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SQUARE CORNERS
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-3787,GRADE C,TYPE II MIL SPEC SINGLE MATERIAL RESPONSE
•
MATERIAL: GLASS LAMINATE
TECHNICAL CHARACTERISTICS
OVERALL THICKNESS0.188 INCHES NOMINAL IN
STYLE DESIGNATORSQUARE CORNERS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-3787,GRADE C,TYPE II MIL SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH26.812 INCHES NOMINAL IN
OVERALL WIDTH11.312 INCHES NOMINAL IN
MATERIALGLASS LAMINATE
OTHER ITEMS IN FSC 9340 — Glass Fabricated Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
9340-00-001-2702 9340-00-001-3590 9340-00-001-3591 9340-00-001-3592 9340-00-003-0380 9340-00-003-1497 9340-00-003-1553 9340-00-003-7325
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)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1989304?
1989304 is a WINDOW,OBSERVATION.
What is the NSN for 1989304?
1989304 is cataloged in the U.S. Government catalog under NSN 9340-01-235-7985. 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.
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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.