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Technical Data Sheet
PartsTable / O-RING / 45Z91D218
45Z91D218 ✓ 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 O-RING is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-580-6583, 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
45Z91D218
NSN: 5331-00-580-6583
FSC: 5331 — O-RING
CAGE: 27315 — MORRIS MATERIAL HANDLING, INC. (USA)
SPECIFICATIONS
Part Number45Z91D218
NSN5331-00-580-6583
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 45Z91D218 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 34
CWS109-5090-9E12Interchangeable
interchangeable cross-reference
interchangeable
109-1001Interchangeable
interchangeable cross-reference
interchangeable
L207698-1AInterchangeable
interchangeable cross-reference
interchangeable
014Interchangeable
interchangeable cross-reference
interchangeable
MS17161-55Interchangeable
interchangeable cross-reference
interchangeable
4314Interchangeable
Intel Xeon Silver 4314 2.4GHz 16 Core
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 45Z91D218?
45Z91D218 is a O-RING.
What parts can replace 45Z91D218?
There are 34 known substitutes for 45Z91D218: CWS109-5090-9E12, 109-1001, L207698-1A and 31 more. Substitute compatibility should be verified for your specific system.
Is 45Z91D218 still available?
45Z91D218 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