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U3198 ✓ 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. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-399-6927, 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
U3198
NSN: 5330-00-399-6927
FSC: 5330
CAGE: 92392 — ALLIS-CHALMERS CORP (USA)
SPECIFICATIONS
Part NumberU3198
NSN5330-00-399-6927
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: U3198 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 20
2250-16Interchangeable
interchangeable cross-reference
interchangeable
3-111Interchangeable
interchangeable cross-reference
interchangeable
M83248/1-010Interchangeable
interchangeable cross-reference
interchangeable
DF298851 FIND 7Interchangeable
interchangeable cross-reference
interchangeable
20346-400 FINDInterchangeable
interchangeable cross-reference
interchangeable
D-1717SInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is U3198?
U3198 is a GASKET.
What parts can replace U3198?
There are 20 known substitutes for U3198: 2250-16, 3-111, M83248/1-010 and 17 more. Substitute compatibility should be verified for your specific system.
Is U3198 still available?
U3198 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