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2BE490 ✓ 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 is a the manufacturer industrial component. Key specifications include end_item_identification: MRAP - M-ATV; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-187-3640, 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
2BE490
NSN: 5330-01-187-3640
FSC: 5330
CAGE: 45152 — OSHKOSH CORP (USA)
SPECIFICATIONS
end_item_identificationMRAP - M-ATV; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS)
NSN5330-01-187-3640
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2BE490 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
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONMRAP - M-ATV; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
SJ3542PC63Interchangeable
interchangeable cross-reference
interchangeable
SL4434PC50Interchangeable
interchangeable cross-reference
interchangeable
SL4967PC63Interchangeable
interchangeable cross-reference
interchangeable
97799Interchangeable
interchangeable cross-reference
interchangeable
977999Interchangeable
interchangeable cross-reference
interchangeable
5330010796372Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2BE490?
2BE490 is a SEAL,PLAIN.
What parts can replace 2BE490?
There are 13 known substitutes for 2BE490: SJ3542PC63, SL4434PC50, SL4967PC63 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2BE490?
2BE490 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-187-3640. 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