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Technical Data Sheet
PartsTable / COMPONENT / MS9380-09
MS9380-09 ✓ 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 PLUG,EXPANSION is a the manufacturer industrial component. Key specifications include radius: 0.875 INCHES NOMINAL IN, material: ALUMINUM ALLOY, outside_diameter: 0.684 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN, style_designator: CONCAVE, surface_treatment: ANODIZE, material_thickness: 0.033 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-949-3788, 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
MS9380-09
NSN: 5340-00-949-3788
FSC: 5340
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
radius0.875 INCHES NOMINAL IN
materialALUMINUM ALLOY
outside_diameter0.684 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN
style_designatorCONCAVE
surface_treatmentANODIZE
material_thickness0.033 INCHES NOMINAL IN
material_document_and_classificationAMS 4003 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-00-949-3788
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS9380-09 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
•
RADIUS: 0.875 INCHES NOMINAL IN
•
SURFACE TREATMENT: ANODIZE
•
MATERIAL: ALUMINUM ALLOY
•
MATERIAL THICKNESS: 0.033 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4003 ASSN STD SINGLE MATERIAL RESPONSE
•
STYLE DESIGNATOR: CONCAVE
•
OUTSIDE DIAMETER: 0.684 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
RADIUS0.875 INCHES NOMINAL IN
SURFACE TREATMENTANODIZE
MATERIALALUMINUM ALLOY
MATERIAL THICKNESS0.033 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4003 ASSN STD SINGLE MATERIAL RESPONSE
STYLE DESIGNATORCONCAVE
OUTSIDE DIAMETER0.684 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
202310Interchangeable
interchangeable cross-reference
interchangeable
501511Interchangeable
interchangeable cross-reference
interchangeable
MS9380-14Interchangeable
interchangeable cross-reference
interchangeable
AS9380Interchangeable
interchangeable cross-reference
interchangeable
5340001774013Interchangeable
interchangeable cross-reference
interchangeable
501522Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS9380-09?
MS9380-09 is a PLUG,EXPANSION.
What parts can replace MS9380-09?
There are 20 known substitutes for MS9380-09: 202310, 501511, MS9380-14 and 17 more. Substitute compatibility should be verified for your specific system.
Is MS9380-09 still available?
MS9380-09 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