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Technical Data Sheet
PartsTable / O-RING / AS568C
AS568C ✓ 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 O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER, center_hole_diameter: 2.969 INCHES MINIMUM AND 2.999 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN, end_item_identification: LOGISTICS SUPPORT VESSEL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-593-1141, 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
AS568C
NSN: 5331-00-593-1141
FSC: 5331 — O-RING
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialRUBBER
center_hole_diameter2.969 INCHES MINIMUM AND 2.999 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
end_item_identificationLOGISTICS SUPPORT VESSEL
NSN5331-00-593-1141
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS568C 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
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 2.969 INCHES MINIMUM AND 2.999 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONLOGISTICS SUPPORT VESSEL
MATERIALRUBBER
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
CENTER HOLE DIAMETER2.969 INCHES MINIMUM AND 2.999 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
1D4609Interchangeable
interchangeable cross-reference
interchangeable
1H7339Interchangeable
interchangeable cross-reference
interchangeable
MIL-G-21569Interchangeable
interchangeable cross-reference
interchangeable
AS568-016Interchangeable
interchangeable cross-reference
interchangeable
AS568CInterchangeable
interchangeable cross-reference
interchangeable
8C7432Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS568C?
AS568C is a O-RING.
What parts can replace AS568C?
There are 8 known substitutes for AS568C: 1D4609, 1H7339, MIL-G-21569 and 5 more. Substitute compatibility should be verified for your specific system.
Is AS568C still available?
AS568C 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