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8686522 — SEAL,NONMETALLIC SPECIAL SHAPED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8686522: SEAL,NONMETALLIC SPECIAL SHAPED.

SEAL,NONMETALLIC SPECIAL SHAPED. Key specifications include construction: SOLIDSOLID, aperture_width: 14.906 INCHES NOMINAL14.906 INCHES NOMINAL IN, aperture_length: 28.468 INCHES NOMINAL28.468 INCHES NOMINAL IN, attachment_method: CEMENTEDCEMENTED, fabrication_method: CELLULAR, EXPLODEDCELLULAR, EXPLODED, cross-sectional_width: 0.906 INCHES NOMINAL0.906 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-698-3720, 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
8686522
NSN: 5330-00-698-3720
FSC: 5330 — Packing and Gasket Materials
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
constructionSOLIDSOLID
aperture_width14.906 INCHES NOMINAL14.906 INCHES NOMINAL IN
aperture_length28.468 INCHES NOMINAL28.468 INCHES NOMINAL IN
attachment_methodCEMENTEDCEMENTED
fabrication_methodCELLULAR, EXPLODEDCELLULAR, EXPLODED
cross-sectional_width0.906 INCHES NOMINAL0.906 INCHES NOMINAL IN
cross-sectional_thickness0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
material_document_and_classification417,TY S,GR 515AC1F1 MIL STD SINGLE MATERIAL RESPONSE BACKING
NSN5330-00-698-3720
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8686522 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CROSS-SECTIONAL THICKNESS: 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
•
CROSS-SECTIONAL WIDTH: 0.906 INCHES NOMINAL0.906 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 417,TY S,GR 515AC1F1 MIL STD SINGLE MATERIAL RESPONSE BACKING
•
APERTURE WIDTH: 14.906 INCHES NOMINAL14.906 INCHES NOMINAL IN
•
APERTURE LENGTH: 28.468 INCHES NOMINAL28.468 INCHES NOMINAL IN
•
FABRICATION METHOD: CELLULAR, EXPLODEDCELLULAR, EXPLODED
•
CONSTRUCTION: SOLIDSOLID
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH0.906 INCHES NOMINAL0.906 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION417,TY S,GR 515AC1F1 MIL STD SINGLE MATERIAL RESPONSE BACKING
MATERIAL DOCUMENT AND CLASSIFICATION670,GR 7,A1,B,F1 MIL STD ALL MATERIAL RESPONSES OVERALL
APERTURE WIDTH14.906 INCHES NOMINAL14.906 INCHES NOMINAL IN
APERTURE LENGTH28.468 INCHES NOMINAL28.468 INCHES NOMINAL IN
FABRICATION METHODCELLULAR, EXPLODEDCELLULAR, EXPLODED
CONSTRUCTIONSOLIDSOLID
ATTACHMENT METHODCEMENTEDCEMENTED
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
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 8686522?
8686522 is a SEAL,NONMETALLIC SPECIAL SHAPED.
What is the NSN for 8686522?
8686522 is cataloged in the U.S. Government catalog under NSN 5330-00-698-3720. 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.