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PartsTable / COMPONENT / MS9379-34
MS9379-34 ✓ 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: 3.546 INCHES MINIMUM AND 3.578 INCHES MAXIMUM IN, material: STEEL CORROSION RESISTING, outside_diameter: 2.245 INCHES MINIMUM AND 2.255 INCHES MAXIMUM IN, style_designator: CONCAVE, material_thickness: 0.075 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN, material_document_and_classification: AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-542-0093, 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
MS9379-34
NSN: 5340-00-542-0093
FSC: 5340
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
radius3.546 INCHES MINIMUM AND 3.578 INCHES MAXIMUM IN
materialSTEEL CORROSION RESISTING
outside_diameter2.245 INCHES MINIMUM AND 2.255 INCHES MAXIMUM IN
style_designatorCONCAVE
material_thickness0.075 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN
material_document_and_classificationAMS 5510 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-00-542-0093
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS9379-34 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 DOCUMENT AND CLASSIFICATION: AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE
•
RADIUS: 3.546 INCHES MINIMUM AND 3.578 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.075 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: CONCAVE
•
OUTSIDE DIAMETER: 2.245 INCHES MINIMUM AND 2.255 INCHES MAXIMUM IN
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5510 ASSN STD SINGLE MATERIAL RESPONSE
RADIUS3.546 INCHES MINIMUM AND 3.578 INCHES MAXIMUM IN
MATERIAL THICKNESS0.075 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN
STYLE DESIGNATORCONCAVE
OUTSIDE DIAMETER2.245 INCHES MINIMUM AND 2.255 INCHES MAXIMUM IN
MATERIALSTEEL CORROSION RESISTING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
BEDX1ADInterchangeable
interchangeable cross-reference
interchangeable
22-57-1Interchangeable
interchangeable cross-reference
interchangeable
5214781Interchangeable
interchangeable cross-reference
interchangeable
172547Interchangeable
interchangeable cross-reference
interchangeable
12G101Interchangeable
interchangeable cross-reference
interchangeable
117920Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS9379-34?
MS9379-34 is a PLUG,EXPANSION.
What parts can replace MS9379-34?
There are 19 known substitutes for MS9379-34: BEDX1AD, 22-57-1, 5214781 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS9379-34?
MS9379-34 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-542-0093. 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