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Technical Data Sheet
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MB500864 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MB500864: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-315-1543, 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
MB500864
NSN: 5330-01-315-1543
FSC: 5330 — Packing and Gasket Materials
CAGE: FA7N3 — 2MB INTERNATIONAL (FRA)
SPECIFICATIONS
Part NumberMB500864
NSN5330-01-315-1543
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MB500864 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
SUBSTITUTES & CROSS-REFERENCES 1
001.03.0730Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MB500864?
MB500864 is a SEAL,PLAIN ENCASED.
What parts can replace MB500864?
There is 1 known substitute for MB500864: 001.03.0730. Substitute compatibility should be verified for your specific system.
What is the NSN for MB500864?
MB500864 is cataloged in the U.S. Government catalog under NSN 5330-01-315-1543. This indicates validated use in U.S. government and defense supply chains.
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