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Technical Data Sheet
PartsTable / O-RING / 3306-18
3306-18 ✓ 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 SHELL,ELECTRICAL CONNECTOR is a the manufacturer industrial component. Key specifications include material: RUBBER, cross-sectional_height: 0.125 INCHES NOMINAL 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 5331-00-868-7024, 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
3306-18
NSN: 5331-00-868-7024
FSC: 5331 — O-RING
CAGE: 77428 — COOPER INDUSTRIES INC H K PORTER/COOPER TOOLS DIV (USA)
SPECIFICATIONS
materialRUBBER
cross-sectional_height0.125 INCHES NOMINAL IN
NSN5331-00-868-7024
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3306-18 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: 0.125 INCHES NOMINAL IN
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.125 INCHES NOMINAL IN
MATERIALRUBBER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
24111Interchangeable
interchangeable cross-reference
interchangeable
3306-18Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3306-18?
3306-18 is a SHELL,ELECTRICAL CONNECTOR.
What parts can replace 3306-18?
There are 2 known substitutes for 3306-18: 24111, 3306-18. Substitute compatibility should be verified for your specific system.
What is the NSN for 3306-18?
3306-18 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-868-7024. 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