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Technical Data Sheet
PartsTable / O-RING / AS9385-04
AS9385-04 ✓ 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: 80.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM, outside_diameter: 0.495 INCHES NOMINAL IN, special_features: COLOR IS RUST, center_hole_diameter: 0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-222-1680, 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
AS9385-04
NSN: 5331-00-222-1680
FSC: 5331 — O-RING
CAGE: 30889 — ERIKS SOUTHWEST INC DBA MONTCLAIR ENTERPRISES (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q
temp_rating-85.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF
hardness_rating80.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM
outside_diameter0.495 INCHES NOMINAL IN
special_featuresCOLOR IS RUST
center_hole_diameter0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
NSN5331-00-222-1680
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS9385-04 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
•
CENTER HOLE DIAMETER: 0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SILICONE CLASS Q
•
HARDNESS RATING: 80.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
OUTSIDE DIAMETER: 0.495 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
TEMP RATING-85.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF
CENTER HOLE DIAMETER0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN
MATERIALRUBBER SILICONE CLASS Q
HARDNESS RATING80.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM
ELONGATION PERCENTAGE125 MAXIMUM
OUTSIDE DIAMETER0.495 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
SPECIAL FEATURESCOLOR IS RUST
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
MS9385-05Interchangeable
interchangeable cross-reference
interchangeable
MS9385-06ESInterchangeable
interchangeable cross-reference
interchangeable
MS9385-06Interchangeable
interchangeable cross-reference
interchangeable
MS9385-11Interchangeable
interchangeable cross-reference
interchangeable
SAE-AS9386Interchangeable
interchangeable cross-reference
interchangeable
MS9385-12Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS9385-04?
AS9385-04 is a O-RING.
What parts can replace AS9385-04?
There are 24 known substitutes for AS9385-04: MS9385-05, MS9385-06ES, MS9385-06 and 21 more. Substitute compatibility should be verified for your specific system.
Is AS9385-04 still available?
AS9385-04 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026