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Technical Data Sheet
PartsTable / COMPONENT / 68325
68325 ✓ 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 SEAT,VALVE SPRING is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, hardness_rating: 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM OVERALL, outside_diameter: 4.731 INCHES MINIMUM AND 4.741 INCHES MAXIMUM IN, style_designator: CIRCULAR, aperture_diameter: 4.330 INCHES MINIMUM AND 4.340 INCHES MAXIMUM IN, cross-sectional_thickness: 0.073 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-291-4503, 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
68325
NSN: 5330-00-291-4503
FSC: 5330
CAGE: 30076 — HYSTER-YALE GROUP, INC. (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
hardness_rating85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM OVERALL
outside_diameter4.731 INCHES MINIMUM AND 4.741 INCHES MAXIMUM IN
style_designatorCIRCULAR
aperture_diameter4.330 INCHES MINIMUM AND 4.340 INCHES MAXIMUM IN
cross-sectional_thickness0.073 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-291-4503
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 68325 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: RUBBER SYNTHETIC OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
STYLE DESIGNATOR: CIRCULAR
•
HARDNESS RATING: 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM OVERALL
•
OUTSIDE DIAMETER: 4.731 INCHES MINIMUM AND 4.741 INCHES MAXIMUM IN
•
APERTURE DIAMETER: 4.330 INCHES MINIMUM AND 4.340 INCHES MAXIMUM IN
•
CROSS-SECTIONAL THICKNESS: 0.073 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER SYNTHETIC OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
STYLE DESIGNATORCIRCULAR
HARDNESS RATING85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM OVERALL
OUTSIDE DIAMETER4.731 INCHES MINIMUM AND 4.741 INCHES MAXIMUM IN
APERTURE DIAMETER4.330 INCHES MINIMUM AND 4.340 INCHES MAXIMUM IN
CROSS-SECTIONAL THICKNESS0.073 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
10-615Interchangeable
interchangeable cross-reference
interchangeable
80159Interchangeable
interchangeable cross-reference
interchangeable
10-712Interchangeable
interchangeable cross-reference
interchangeable
68325Interchangeable
interchangeable cross-reference
interchangeable
12338Interchangeable
interchangeable cross-reference
interchangeable
105481Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 68325?
68325 is a SEAT,VALVE SPRING.
What parts can replace 68325?
There are 20 known substitutes for 68325: 10-615, 80159, 10-712 and 17 more. Substitute compatibility should be verified for your specific system.
Is 68325 still available?
68325 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