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D86-04186 — FELT,MECHANICAL,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

D86-04186: FELT,MECHANICAL,PREFORMED.

The FELT,MECHANICAL,PREFORMED is a the manufacturer industrial component. Key specifications include material: HAIR AND WOOL OVERALL, outside_diameter: 4.500 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 3.500 INCHES NOMINAL IN, cross-sectional_height: 0.668 INCHES NOMINAL IN, end_item_identification: 2230-00-554-2728. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-331-8117, 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
D86-04186
NSN: 5330-00-331-8117
FSC: 5330 — Packing and Gasket Materials
CAGE: 71282 — BUDD CO THE (USA)
SPECIFICATIONS
materialHAIR AND WOOL OVERALL
outside_diameter4.500 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter3.500 INCHES NOMINAL IN
cross-sectional_height0.668 INCHES NOMINAL IN
end_item_identification2230-00-554-2728
cross-sectional_shape_styleSQUARE
NSN5330-00-331-8117
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: D86-04186 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: 0.668 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE
•
OUTSIDE DIAMETER: 4.500 INCHES NOMINAL IN
•
APERTURE DIAMETER: 3.500 INCHES NOMINAL IN
•
MATERIAL: HAIR AND WOOL OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.668 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLESQUARE
OUTSIDE DIAMETER4.500 INCHES NOMINAL IN
APERTURE DIAMETER3.500 INCHES NOMINAL IN
END ITEM IDENTIFICATION2230-00-554-2728
MATERIALHAIR AND WOOL 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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is D86-04186?
D86-04186 is a FELT,MECHANICAL,PREFORMED.
What is the NSN for D86-04186?
D86-04186 is cataloged in the U.S. Government catalog under NSN 5330-00-331-8117. 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.