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Technical Data Sheet
PartsTable / O-RING / AN6230-18
AN6230-18 ✓ 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 O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, outside_diameter: 3.976 INCHES MINIMUM AND 4.048 INCHES MAXIMUM IN, center_hole_diameter: 3.719 INCHES MINIMUM AND 3.749 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 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 5331-00-332-9016, 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
AN6230-18
NSN: 5331-00-332-9016
FSC: 5331 — O-RING
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
outside_diameter3.976 INCHES MINIMUM AND 4.048 INCHES MAXIMUM IN
center_hole_diameter3.719 INCHES MINIMUM AND 3.749 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-00-332-9016
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AN6230-18 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: 0.137 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE
•
CENTER HOLE DIAMETER: 3.725 INCHES MINIMUM AND 3.743 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.137 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE
CENTER HOLE DIAMETER3.725 INCHES MINIMUM AND 3.743 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
1000-013PC18Interchangeable
interchangeable cross-reference
interchangeable
2-240N304-75Interchangeable
interchangeable cross-reference
interchangeable
2300-446 PC 48Interchangeable
interchangeable cross-reference
interchangeable
8146834Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN6230-18?
AN6230-18 is a O-RING.
What parts can replace AN6230-18?
There are 4 known substitutes for AN6230-18: 1000-013PC18, 2-240N304-75, 2300-446 PC 48 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AN6230-18?
AN6230-18 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-332-9016. 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