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Technical Data Sheet
PartsTable / COMPONENT / 4B4843
4B4843 ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include end_item_identification: LOGISTICS SUPPORT VESSEL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-363-6459, 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
4B4843
NSN: 5330-00-363-6459
FSC: 5330
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
end_item_identificationLOGISTICS SUPPORT VESSEL
NSN5330-00-363-6459
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4B4843 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 IDENTIFICATIONLOGISTICS SUPPORT VESSEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
35609Interchangeable
interchangeable cross-reference
interchangeable
31-157Interchangeable
interchangeable cross-reference
interchangeable
42201Interchangeable
interchangeable cross-reference
interchangeable
37926Interchangeable
interchangeable cross-reference
interchangeable
035609Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4B4843?
4B4843 is a GASKET.
What parts can replace 4B4843?
There are 5 known substitutes for 4B4843: 35609, 31-157, 42201 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4B4843?
4B4843 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-363-6459. 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