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Technical Data Sheet
PartsTable / COMPONENT / X218-8
X218-8 ✓ 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 CLAMP,LOOP is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-526-3272, 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
X218-8
NSN: 5340-00-526-3272
FSC: 5340
CAGE: 78570 — SMITHS TUBULAR SYSTEMS-LACONIA, INC. (USA)
SPECIFICATIONS
Part NumberX218-8
NSN5340-00-526-3272
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: X218-8 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 10
GGG-P-831 TY8CLBSZ4Interchangeable
interchangeable cross-reference
interchangeable
31058Interchangeable
interchangeable cross-reference
interchangeable
GGG-P-831Interchangeable
interchangeable cross-reference
interchangeable
3898Interchangeable
interchangeable cross-reference
interchangeable
3544530-5Interchangeable
interchangeable cross-reference
interchangeable
6515NCM071457Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is X218-8?
X218-8 is a CLAMP,LOOP.
What parts can replace X218-8?
There are 10 known substitutes for X218-8: GGG-P-831 TY8CLBSZ4, 31058, GGG-P-831 and 7 more. Substitute compatibility should be verified for your specific system.
Is X218-8 still available?
X218-8 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