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8525681 — WINDOW,OBSERVATION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

8525681: WINDOW,OBSERVATION.

The WINDOW,OBSERVATION is a the manufacturer industrial component. Key specifications include material: PLASTIC ACRYLIC, edge_type: BEVELED, overall_diameter: 0.875 INCHES NOMINAL IN, special_features: FOUR 3/8 IN.W. SLOTS EQUALLY SPACED IN, style_designator: CIRCULAR, overall_thickness: 5.250 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 9330-00-862-4774, 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
8525681
NSN: 9330-00-862-4774
FSC: 9330 — Plastics Fabricated Materials
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialPLASTIC ACRYLIC
edge_typeBEVELED
overall_diameter0.875 INCHES NOMINAL IN
special_featuresFOUR 3/8 IN.W. SLOTS EQUALLY SPACED IN
style_designatorCIRCULAR
overall_thickness5.250 INCHES NOMINAL IN
material_transparencyCLEAR
NSN9330-00-862-4774
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WINDOW,OBSERVATION TITLE COMPONENT PN 8525681 MFR WINDOW,OBSERVATION
KEY FEATURES
•
OVERALL DIAMETER: 0.875 INCHES NOMINAL IN
•
OVERALL THICKNESS: 5.250 INCHES NOMINAL IN
•
MATERIAL TRANSPARENCY: CLEAR
•
STYLE DESIGNATOR: CIRCULAR
•
EDGE TYPE: BEVELED
•
MATERIAL: PLASTIC ACRYLIC
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.875 INCHES NOMINAL IN
OVERALL THICKNESS5.250 INCHES NOMINAL IN
MATERIAL TRANSPARENCYCLEAR
STYLE DESIGNATORCIRCULAR
EDGE TYPEBEVELED
SPECIAL FEATURESFOUR 3/8 IN.W. SLOTS EQUALLY SPACED IN
MATERIALPLASTIC ACRYLIC
OTHER ITEMS IN FSC 9330 — Plastics Fabricated Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
9330-00-001-6009 9330-00-003-0266 9330-00-003-1162 9330-00-003-2789 9330-00-003-3321 9330-00-003-6171 9330-00-003-7116 9330-00-003-8580
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8525681?
8525681 is a WINDOW,OBSERVATION.
What is the NSN for 8525681?
8525681 is cataloged in the U.S. Government catalog under NSN 9330-00-862-4774. 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.