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8356521 — SEAL RING,NONMETALLIC

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

8356521: SEAL RING,NONMETALLIC.

The SEAL RING,NONMETALLIC is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: OD 3.9975 IN.,W 0.095 IN.,THK 0.1185 IN.;MATERIAL POLYTETRAFLUOROETHYLENE IN. This part is cataloged in the U.S.

Government catalog under NSN 2520-00-910-3711, 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
8356521
NSN: 2520-00-910-3711
FSC: 2520 — Vehicular Power Transmission Components
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
general_characteristics_item_descriptionOD 3.9975 IN.,W 0.095 IN.,THK 0.1185 IN.;MATERIAL POLYTETRAFLUOROETHYLENE IN
NSN2520-00-910-3711
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SEAL RING,NONMETALLIC TITLE COMPONENT PN 8356521 MFR SEAL RING,NONMETALLIC
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: OD 3.9975 IN.,W 0.095 IN.,THK 0.1185 IN.;MATERIAL POLYTETRAFLUOROETHYLENE IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONOD 3.9975 IN.,W 0.095 IN.,THK 0.1185 IN.;MATERIAL POLYTETRAFLUOROETHYLENE IN
OTHER ITEMS IN FSC 2520 — Vehicular Power Transmission Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2520-00-000-3976 2520-00-000-8852 2520-00-000-9292 2520-00-001-0011 2520-00-001-3397 2520-00-001-3425 2520-00-001-3440 2520-00-001-3441
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 8356521?
8356521 is a SEAL RING,NONMETALLIC.
What is the NSN for 8356521?
8356521 is cataloged in the U.S. Government catalog under NSN 2520-00-910-3711. 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.