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568685 ✓ 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: 0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 5.875 INCHES NOMINAL IN, aperture_diameter: 4.281 INCHES NOMINAL IN, bolt_circle_diameter: 5.000 INCHES NOMINAL IN, outside_corner_radius: 0.375 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-615-0774, 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
568685
NSN: 5330-00-615-0774
FSC: 5330
CAGE: 12204 — CHRYSLER REALTY COMPANY LLC DBA DAIMLER CHRYSLER (USA)
SPECIFICATIONS
materialPAPER AND GLUE OVERALL
hole_diameter0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width5.875 INCHES NOMINAL IN
aperture_diameter4.281 INCHES NOMINAL IN
bolt_circle_diameter5.000 INCHES NOMINAL IN
outside_corner_radius0.375 INCHES NOMINAL IN
cross-sectional_thickness0.015 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
side_radius_from_gasket_center2.562 INCHES NOMINAL IN
material_document_and_classificationMIL-G-12803,NO. +3313-B MIL SPEC ALL MATERIAL RESPONSES OVERALL
NSN5330-00-615-0774
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 568685 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-12803,NO. +3313-B MIL SPEC ALL MATERIAL RESPONSES OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE DIAMETER: 4.281 INCHES NOMINAL IN
•
OUTSIDE CORNER RADIUS: 0.375 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.015 INCHES NOMINAL IN
•
MATERIAL: PAPER AND GLUE OVERALL
•
SIDE RADIUS FROM GASKET CENTER: 2.562 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 5.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-12803,NO. +3313-B MIL SPEC ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
APERTURE DIAMETER4.281 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS0.375 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.015 INCHES NOMINAL IN
MATERIALPAPER AND GLUE OVERALL
SIDE RADIUS FROM GASKET CENTER2.562 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER5.000 INCHES NOMINAL IN
HOLE DIAMETER0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
OVERALL WIDTH5.875 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
BM4B1Interchangeable
interchangeable cross-reference
interchangeable
9254-7Interchangeable
interchangeable cross-reference
interchangeable
2547Interchangeable
interchangeable cross-reference
interchangeable
9254Interchangeable
interchangeable cross-reference
interchangeable
9800-339X1-5Interchangeable
interchangeable cross-reference
interchangeable
13148GInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 568685?
568685 is a GASKET.
What parts can replace 568685?
There are 8 known substitutes for 568685: BM4B1, 9254-7, 2547 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 568685?
568685 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-615-0774. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026