PartsTable
Technical Data Sheet
PartsTable / O-RING / A6689.904.303
A6689.904.303 ✓ 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 A6689.904.303 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-211-0712, 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
A6689.904.303
NSN: 5331-01-211-0712
FSC: 5331 — O-RING
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)
SPECIFICATIONS
Part NumberA6689.904.303
NSN5331-01-211-0712
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A6689.904.303 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
A6689.904.303Interchangeable
interchangeable cross-reference
interchangeable
8610 PC 40Interchangeable
interchangeable cross-reference
interchangeable
20107 PC NO 23Interchangeable
interchangeable cross-reference
interchangeable
06689904303Interchangeable
interchangeable cross-reference
interchangeable
M83248/2-904Interchangeable
interchangeable cross-reference
interchangeable
AMS-P-5510Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A6689.904.303?
A6689.904.303 is a A6689.904.303.
What parts can replace A6689.904.303?
There are 13 known substitutes for A6689.904.303: A6689.904.303, 8610 PC 40, 20107 PC NO 23 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A6689.904.303?
A6689.904.303 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-211-0712. 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