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6525830 — FELT,MECHANICAL,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6525830: FELT,MECHANICAL,PREFORMED.

The FELT,MECHANICAL,PREFORMED is a the manufacturer industrial component. Key specifications include material: WOOL OR WOOL COMP 9R1 OVERALL, outside_diameter: 0.310 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 0.125 INCHES NOMINAL IN, cross-sectional_width: 0.125 INCHES NOMINAL IN, cross-sectional_height: 0.092 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-959-6601, 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
6525830
NSN: 5330-00-959-6601
FSC: 5330 — Packing and Gasket Materials
CAGE: 73342 — ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC (USA)
SPECIFICATIONS
materialWOOL OR WOOL COMP 9R1 OVERALL
outside_diameter0.310 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter0.125 INCHES NOMINAL IN
cross-sectional_width0.125 INCHES NOMINAL IN
cross-sectional_height0.092 INCHES NOMINAL IN
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationAMS 3286 ASSN STD ALL MATERIAL RESPONSES OVERALL
NSN5330-00-959-6601
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6525830 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 HEIGHT: 0.092 INCHES NOMINAL IN
•
CROSS-SECTIONAL WIDTH: 0.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 3286 ASSN STD ALL MATERIAL RESPONSES OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 0.310 INCHES NOMINAL IN
•
APERTURE DIAMETER: 0.125 INCHES NOMINAL IN
•
MATERIAL: WOOL OR WOOL COMP 9R1 OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.092 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH0.125 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3286 ASSN STD ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER0.310 INCHES NOMINAL IN
APERTURE DIAMETER0.125 INCHES NOMINAL IN
MATERIALWOOL OR WOOL COMP 9R1 OVERALL
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
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6525830?
6525830 is a FELT,MECHANICAL,PREFORMED.
What is the NSN for 6525830?
6525830 is cataloged in the U.S. Government catalog under NSN 5330-00-959-6601. 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.