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Technical Data Sheet
PartsTable / O-RING / AS9386-228
AS9386-228 ✓ 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 SILICONE CLASS Q, temp_rating: -85.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, outside_diameter: 2.512 INCHES NOMINAL IN, center_hole_diameter: 2.224 INCHES MINIMUM AND 2.244 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-274-7837, 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
AS9386-228
NSN: 5331-00-274-7837
FSC: 5331 — O-RING
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q
temp_rating-85.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF
hardness_rating75.0 SHORE DUROMETER A NOMINAL
outside_diameter2.512 INCHES NOMINAL IN
center_hole_diameter2.224 INCHES MINIMUM AND 2.244 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-00-274-7837
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS9386-228 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
•
TEMP RATING: -85.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF
•
MATERIAL: RUBBER SILICONE CLASS Q
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 2.512 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 2.224 INCHES MINIMUM AND 2.244 INCHES MAXIMUM IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 125 MAXIMUM
TECHNICAL CHARACTERISTICS (FLIS)
TEMP RATING-85.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF
MATERIALRUBBER SILICONE CLASS Q
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
OUTSIDE DIAMETER2.512 INCHES NOMINAL IN
CENTER HOLE DIAMETER2.224 INCHES MINIMUM AND 2.244 INCHES MAXIMUM IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE125 MAXIMUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
MS9386-227Interchangeable
interchangeable cross-reference
interchangeable
AMS7267Interchangeable
interchangeable cross-reference
interchangeable
AS568-282Interchangeable
interchangeable cross-reference
interchangeable
MS9386-042Interchangeable
interchangeable cross-reference
interchangeable
AS568-437Interchangeable
interchangeable cross-reference
interchangeable
745056Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS9386-228?
AS9386-228 is a O-RING.
What parts can replace AS9386-228?
There are 11 known substitutes for AS9386-228: MS9386-227, AMS7267, AS568-282 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS9386-228?
AS9386-228 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-274-7837. 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