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Technical Data Sheet
PartsTable / COMPONENT / A6689.213.343
A6689.213.343 ✓ 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 A6689.213.343 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 5330-01-256-1834, 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
A6689.213.343
NSN: 5330-01-256-1834
FSC: 5330
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
Part NumberA6689.213.343
NSN5330-01-256-1834
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A6689.213.343 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 DOCUMENT AND CLASSIFICATION: ZZ-R-765 CLASS 2B GRADE 70 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
DEPARTURE FROM CITED DOCUMENT: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
•
CENTER HOLE DIAMETER: 0.911 INCHES MINIMUM AND 0.931 INCHES MAXIMUM IN
•
PERIPHERAL DIAMETER: 1.199 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SILICONE CLASS Q SEALING ELEMENT
•
CRITICALITY CODE JUSTIFICATION: ZZZW
•
CROSS-SECTIONAL SHAPE STYLE: O-RING
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONZZ-R-765 CLASS 2B GRADE 70 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
DEPARTURE FROM CITED DOCUMENTMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
CENTER HOLE DIAMETER0.911 INCHES MINIMUM AND 0.931 INCHES MAXIMUM IN
PERIPHERAL DIAMETER1.199 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
MATERIALRUBBER SILICONE CLASS Q SEALING ELEMENT
CRITICALITY CODE JUSTIFICATIONZZZW
CROSS-SECTIONAL SHAPE STYLEO-RING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
213-8307Interchangeable
interchangeable cross-reference
interchangeable
AS568-213Interchangeable
interchangeable cross-reference
interchangeable
A-A-59588-2B70Interchangeable
interchangeable cross-reference
interchangeable
ZZ-R-765Interchangeable
interchangeable cross-reference
interchangeable
A-A-59588Interchangeable
interchangeable cross-reference
interchangeable
2-213N525-60Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A6689.213.343?
A6689.213.343 is a A6689.213.343.
What parts can replace A6689.213.343?
There are 28 known substitutes for A6689.213.343: 213-8307, AS568-213, A-A-59588-2B70 and 25 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A6689.213.343?
A6689.213.343 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-256-1834. 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