PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 350.663.012
350.663.012 ✓ 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 350.663.012 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-066-1457, 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
350.663.012
NSN: 5340-00-066-1457
FSC: 5340
CAGE: 64392 — WEIL PUMP CO INC (USA)
SPECIFICATIONS
Part Number350.663.012
NSN5340-00-066-1457
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 350.663.012 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
KEY FEATURES
•
HOLE DEPTH: 0.218 INCHES NOMINAL IN
•
INSIDE LENGTH: 1.375 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT
•
HOLE DIAMETER: 0.437 INCHES NOMINAL IN
•
HEIGHT: 0.468 INCHES NOMINAL IN
•
MATERIAL: IRON OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DEPTH0.218 INCHES NOMINAL IN
INSIDE LENGTH1.375 INCHES NOMINAL IN
STYLE DESIGNATORFLAT
OVERALL WIDTH0.875 INCHES NOMINAL IN
HOLE DIAMETER0.437 INCHES NOMINAL IN
HEIGHT0.468 INCHES NOMINAL IN
MATERIALIRON OVERALL
OVERALL LENGTH1.687 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
663EInterchangeable
interchangeable cross-reference
interchangeable
663Interchangeable
interchangeable cross-reference
interchangeable
P6130AInterchangeable
interchangeable cross-reference
interchangeable
144488Interchangeable
interchangeable cross-reference
interchangeable
663-0-1000VDC0-100MADC0-10MEG0Interchangeable
interchangeable cross-reference
interchangeable
103-3-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 350.663.012?
350.663.012 is a 350.663.012.
What parts can replace 350.663.012?
There are 20 known substitutes for 350.663.012: 663E, 663, P6130A and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 350.663.012?
350.663.012 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-066-1457. 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