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Technical Data Sheet
PartsTable / O-RING / MS9385-28
MS9385-28 ✓ 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 FLUOROCARBON CLASS FPM, center_hole_diameter: 2.080 INCHES MINIMUM AND 2.100 INCHES MAXIMUM IN, cross-sectional_height: 0.114 INCHES MINIMUM AND 0.122 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 5331-01-355-2708, 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
MS9385-28
NSN: 5331-01-355-2708
FSC: 5331 — O-RING
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
center_hole_diameter2.080 INCHES MINIMUM AND 2.100 INCHES MAXIMUM IN
cross-sectional_height0.114 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
NSN5331-01-355-2708
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS9385-28 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: 0.114 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 2.080 INCHES MINIMUM AND 2.100 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.114 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
CENTER HOLE DIAMETER2.080 INCHES MINIMUM AND 2.100 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
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
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS9385-28?
MS9385-28 is a O-RING.
What parts can replace MS9385-28?
There are 20 known substitutes for MS9385-28: MS9385-05, MS9385-06ES, MS9385-06 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS9385-28?
MS9385-28 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-355-2708. 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