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Technical Data Sheet
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609940 ✓ 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 material: ASBESTOS AND STEEL CORROSION RESISTING OVERALL, outside_diameter: 1.984 INCHES NOMINAL IN, cross-sectional_thickness: 0.188 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-382-8807, 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
609940
NSN: 5330-00-382-8807
FSC: 5330
CAGE: 12603 — CLARK EQUIPMENT CO (USA)
SPECIFICATIONS
materialASBESTOS AND STEEL CORROSION RESISTING OVERALL
outside_diameter1.984 INCHES NOMINAL IN
cross-sectional_thickness0.188 INCHES NOMINAL IN
NSN5330-00-382-8807
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 609940 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
•
OUTSIDE DIAMETER: 1.984 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.188 INCHES NOMINAL IN
•
MATERIAL: ASBESTOS AND STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER1.984 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.188 INCHES NOMINAL IN
MATERIALASBESTOS AND STEEL CORROSION RESISTING OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
111717016Interchangeable
interchangeable cross-reference
interchangeable
45C13Interchangeable
interchangeable cross-reference
interchangeable
203464Interchangeable
interchangeable cross-reference
interchangeable
A13-1-5Interchangeable
interchangeable cross-reference
interchangeable
MIL-I-14652Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-14652BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 609940?
609940 is a GASKET.
What parts can replace 609940?
There are 12 known substitutes for 609940: 111717016, 45C13, 203464 and 9 more. Substitute compatibility should be verified for your specific system.
Is 609940 still available?
609940 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