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Technical Data Sheet
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509116 ✓ 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 ENCASED is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-701-8788, 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
509116
NSN: 5330-00-701-8788
FSC: 5330
CAGE: 78640 — MITSUBISHI CATERPILLAR FORKLIFT AMERICA, INC (USA)
SPECIFICATIONS
Part Number509116
NSN5330-00-701-8788
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 509116 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 22
X13073Interchangeable
interchangeable cross-reference
interchangeable
15BC02Interchangeable
interchangeable cross-reference
interchangeable
940 11/32Interchangeable
interchangeable cross-reference
interchangeable
200 11/32Interchangeable
interchangeable cross-reference
interchangeable
1302Interchangeable
interchangeable cross-reference
interchangeable
AA50179-I A 2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 509116?
509116 is a SEAL,PLAIN ENCASED.
What parts can replace 509116?
There are 22 known substitutes for 509116: X13073, 15BC02, 940 11/32 and 19 more. Substitute compatibility should be verified for your specific system.
Is 509116 still available?
509116 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