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Technical Data Sheet
PartsTable / COMPONENT / MB352-4A
MB352-4A ✓ 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 SEAL,PLAIN ENCASED is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-292-0492, 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
MB352-4A
NSN: 5330-00-292-0492
FSC: 5330
CAGE: 80910 — HAERTEL WALTER CO (USA)
SPECIFICATIONS
Part NumberMB352-4A
NSN5330-00-292-0492
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MB352-4A 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
62031LInterchangeable
interchangeable cross-reference
interchangeable
62031Interchangeable
interchangeable cross-reference
interchangeable
104732Interchangeable
interchangeable cross-reference
interchangeable
2708-1-2-5AInterchangeable
interchangeable cross-reference
interchangeable
SN1105Interchangeable
interchangeable cross-reference
interchangeable
F5956Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MB352-4A?
MB352-4A is a SEAL,PLAIN ENCASED.
What parts can replace MB352-4A?
There are 25 known substitutes for MB352-4A: 62031L, 62031, 104732 and 22 more. Substitute compatibility should be verified for your specific system.
Is MB352-4A still available?
MB352-4A 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