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Technical Data Sheet
PartsTable / COMPONENT / MS9388-112
MS9388-112 ✓ 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 PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include peripheral_diameter: 0.693 INCHES NOMINAL IN, center_hole_diameter: 0.482 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-884-0079, 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
MS9388-112
NSN: 5330-00-884-0079
FSC: 5330
CAGE: F7700 — DOWTY (DIV DE JOHN CRANE FRANCE SA) (FRA)
SPECIFICATIONS
peripheral_diameter0.693 INCHES NOMINAL IN
center_hole_diameter0.482 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN5330-00-884-0079
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS9388-112 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: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
PERIPHERAL DIAMETER: 0.693 INCHES NOMINAL IN
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CENTER HOLE DIAMETER: 0.482 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
PERIPHERAL DIAMETER0.693 INCHES NOMINAL IN
ELONGATION PERCENTAGE125 MAXIMUM
CENTER HOLE DIAMETER0.482 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
M83248/1-112Interchangeable
interchangeable cross-reference
interchangeable
878112Interchangeable
interchangeable cross-reference
interchangeable
M83248-1-112ESInterchangeable
interchangeable cross-reference
interchangeable
379644Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS9388-112?
MS9388-112 is a PACKING,PREFORMED.
What parts can replace MS9388-112?
There are 4 known substitutes for MS9388-112: M83248/1-112, 878112, M83248-1-112ES and 1 more. Substitute compatibility should be verified for your specific system.
Is MS9388-112 still available?
MS9388-112 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