PartsTable / COMPONENT / S1918
S1918 — Technical Data Sheet
✓ 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 under NSN 5330-00-285-9441, 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
S1918
NSN: 5330-00-285-9441 FSC: 5330 CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
Part Number S1918 NSN 5330-00-285-9441
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION
ID: —
CROSS-SECTION
CS: —
SPECIFICATION
Material: —
Durometer: —
Temp: —
PN: S1918
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 25
WW-4342-1 Interchangeable GOVERNMENT REGISTRY interchangeable cross-reference
interchangeable
335H50 Interchangeable GOVERNMENT REGISTRY interchangeable cross-reference
interchangeable
DM51 Interchangeable GOVERNMENT REGISTRY interchangeable cross-reference
interchangeable
6180 Interchangeable GOVERNMENT REGISTRY interchangeable cross-reference
interchangeable
14U1007PCDA6180 Interchangeable GOVERNMENT REGISTRY interchangeable cross-reference
interchangeable
N910P25B6 Interchangeable GOVERNMENT REGISTRY interchangeable cross-reference
interchangeable
LIFECYCLE
Status CANCELLED GOVERNMENT REGISTRY
Availability —
RoHS Compliant EAR99 Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S1918?
S1918 is a SEAL,PLAIN ENCASED.
What parts can replace S1918?
There are 25 known substitutes for S1918: WW-4342-1, 335H50, DM51 and 22 more. Substitute compatibility should be verified for your specific system.
Is S1918 still available?
S1918 is currently cancelled.