PartsTable
Technical Data Sheet
PartsTable / O-RING / 8497-179-81
8497-179-81 ✓ 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 SYNTHETIC, outside_diameter: 2.004 INCHES NOMINAL IN, center_hole_diameter: 1.854 INCHES MINIMUM AND 1.874 INCHES MAXIMUM IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM 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 5331-00-903-3656, 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
8497-179-81
NSN: 5331-00-903-3656
FSC: 5331 — O-RING
CAGE: 97403 — CECOM LR CENTER (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
outside_diameter2.004 INCHES NOMINAL IN
center_hole_diameter1.854 INCHES MINIMUM AND 1.874 INCHES MAXIMUM IN
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
NSN5331-00-903-3656
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8497-179-81 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
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SYNTHETIC
•
CENTER HOLE DIAMETER: 1.854 INCHES MINIMUM AND 1.874 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 2.004 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC
CENTER HOLE DIAMETER1.854 INCHES MINIMUM AND 1.874 INCHES MAXIMUM IN
OUTSIDE DIAMETER2.004 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
2BE615A14B14E1434F17Interchangeable
interchangeable cross-reference
interchangeable
ASTM-D2000-01Interchangeable
interchangeable cross-reference
interchangeable
ASTM-D2000Interchangeable
interchangeable cross-reference
interchangeable
AS568B-032Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8497-179-81?
8497-179-81 is a O-RING.
What parts can replace 8497-179-81?
There are 4 known substitutes for 8497-179-81: 2BE615A14B14E1434F17, ASTM-D2000-01, ASTM-D2000 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8497-179-81?
8497-179-81 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-903-3656. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026