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Technical Data Sheet
PartsTable / O-RING / ARP568-115AMS3651
ARP568-115AMS3651 ✓ 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: PLASTIC POLYTETRAFLUOROETHYLENE, outside_diameter: 0.880 INCHES NOMINAL IN, center_hole_diameter: 0.669 INCHES MINIMUM AND 0.679 INCHES MAXIMUM IN, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-420-0728, 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
ARP568-115AMS3651
NSN: 5331-00-420-0728
FSC: 5331 — O-RING
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE
outside_diameter0.880 INCHES NOMINAL IN
center_hole_diameter0.669 INCHES MINIMUM AND 0.679 INCHES MAXIMUM IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN5331-00-420-0728
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ARP568-115AMS3651 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: PLASTIC POLYTETRAFLUOROETHYLENE
•
CENTER HOLE DIAMETER: 0.669 INCHES MINIMUM AND 0.679 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.880 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE
CENTER HOLE DIAMETER0.669 INCHES MINIMUM AND 0.679 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.880 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
78004267Interchangeable
interchangeable cross-reference
interchangeable
211071633Interchangeable
interchangeable cross-reference
interchangeable
AS568-115Interchangeable
interchangeable cross-reference
interchangeable
D15918-9Interchangeable
interchangeable cross-reference
interchangeable
ARP568-115MILG23652TY1Interchangeable
interchangeable cross-reference
interchangeable
AMS 7276Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ARP568-115AMS3651?
ARP568-115AMS3651 is a O-RING.
What parts can replace ARP568-115AMS3651?
There are 18 known substitutes for ARP568-115AMS3651: 78004267, 211071633, AS568-115 and 15 more. Substitute compatibility should be verified for your specific system.
Is ARP568-115AMS3651 still available?
ARP568-115AMS3651 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