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Technical Data Sheet
PartsTable / COMPONENT / EAD8563B
EAD8563B ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The GASKET is a the manufacturer industrial component. Key specifications include material: PAPER AND GLUE OVERALL, hole_diameter: 0.340 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 2.320 INCHES NOMINAL IN, style_designator: NON-CIRCULAR, aperture_diameter: 0.910 INCHES NOMINAL IN, bolt_circle_diameter: 1.720 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-531-2613, 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
EAD8563B
NSN: 5330-00-531-2613
FSC: 5330
CAGE: 57526 — FORD MOTOR COMPANY (USA)
SPECIFICATIONS
materialPAPER AND GLUE OVERALL
hole_diameter0.340 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width2.320 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
aperture_diameter0.910 INCHES NOMINAL IN
bolt_hole_quantity2
bolt_circle_diameter1.720 INCHES NOMINAL IN
outside_corner_radius0.300 INCHES NOMINAL IN
cross-sectional_thickness0.020 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
side_radius_from_gasket_center0.720 INCHES NOMINAL IN
material_document_and_classificationMIL-G-12803,F326128-6 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-531-2613
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: EAD8563B 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
•
HOLE DIAMETER: 0.340 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
MATERIAL: PAPER AND GLUE OVERALL
•
STYLE DESIGNATOR: NON-CIRCULAR
•
OUTSIDE CORNER RADIUS: 0.300 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 2
•
BOLT CIRCLE DIAMETER: 1.720 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.020 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.340 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
MATERIALPAPER AND GLUE OVERALL
STYLE DESIGNATORNON-CIRCULAR
OUTSIDE CORNER RADIUS0.300 INCHES NOMINAL IN
BOLT HOLE QUANTITY2
BOLT CIRCLE DIAMETER1.720 INCHES NOMINAL IN
OVERALL WIDTH2.320 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.020 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
SIDE RADIUS FROM GASKET CENTER0.720 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
25437Interchangeable
interchangeable cross-reference
interchangeable
803-0007-001Interchangeable
interchangeable cross-reference
interchangeable
25C1851Interchangeable
interchangeable cross-reference
interchangeable
25C437Interchangeable
interchangeable cross-reference
interchangeable
MAB16276-A1Interchangeable
interchangeable cross-reference
interchangeable
29765Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is EAD8563B?
EAD8563B is a GASKET.
What parts can replace EAD8563B?
There are 8 known substitutes for EAD8563B: 25437, 803-0007-001, 25C1851 and 5 more. Substitute compatibility should be verified for your specific system.
Is EAD8563B still available?
EAD8563B is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026