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Technical Data Sheet
PartsTable / O-RING / MS9388-115ES
MS9388-115ES ✓ 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, special_features: CHANGE FROM FSC 5330 TO 5331 PER H6, center_hole_diameter: 0.669 INCHES NOMINAL IN, cross-sectional_height: 0.103 INCHES NOMINAL IN, material_document_and_classification: CLASS AMS-R-83248 FVM NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-864-7185, 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
MS9388-115ES
NSN: 5331-00-864-7185
FSC: 5331 — O-RING
CAGE: H2313 — ERIKS B.V. (NLD)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
special_featuresCHANGE FROM FSC 5330 TO 5331 PER H6
center_hole_diameter0.669 INCHES NOMINAL IN
cross-sectional_height0.103 INCHES NOMINAL IN
material_document_and_classificationCLASS AMS-R-83248 FVM NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE
NSN5331-00-864-7185
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS9388-115ES 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
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
•
MATERIAL DOCUMENT AND CLASSIFICATION: CLASS AMS-R-83248 FVM NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL HEIGHT: 0.103 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.669 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER FLUOROCARBON CLASS FPM
MATERIAL DOCUMENT AND CLASSIFICATIONCLASS AMS-R-83248 FVM NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE
SPECIAL FEATURESCHANGE FROM FSC 5330 TO 5331 PER H6
CROSS-SECTIONAL HEIGHT0.103 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.669 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
J221P115Interchangeable
interchangeable cross-reference
interchangeable
SS845-1889836PIInterchangeable
interchangeable cross-reference
interchangeable
556-6408589-32Interchangeable
interchangeable cross-reference
interchangeable
801-6405342 FIND 18CPInterchangeable
interchangeable cross-reference
interchangeable
SAE-AMS7276Interchangeable
interchangeable cross-reference
interchangeable
516-2005919ASSYB PIECE 32CPInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS9388-115ES?
MS9388-115ES is a O-RING.
What parts can replace MS9388-115ES?
There are 14 known substitutes for MS9388-115ES: J221P115, SS845-1889836PI, 556-6408589-32 and 11 more. Substitute compatibility should be verified for your specific system.
Is MS9388-115ES still available?
MS9388-115ES is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026