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PartsTable / COMPONENT / 18518SA
18518SA ✓ 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 SET is a the manufacturer industrial component. Key specifications include component_quantity: 11. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-353-5908, 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
18518SA
NSN: 5330-00-353-5908
FSC: 5330
CAGE: 96046 — CRANE PUMPS & SYSTEMS PFT CORP DIV CRANE PUMPS & SYSTEM PFT CORP. (USA)
SPECIFICATIONS
component_quantity11
NSN5330-00-353-5908
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 18518SA 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
•
COMPONENT QUANTITY: 11
•
NONSUPPLY ITEMS AND QUANTITIES: 66289 QB-77 GASKET 1 AND 66289 QC-58 GASKET 1 AND ND 66289 QD-484 GASKET 1 AND 66289 QD-487-A GASKET 1 AND 66289 QD-487-B GASKET 1 AND 66289 QD-570-A GASKET 1 AND 66289 QD-571 GASKET 1 AND 66289 QD-612-A GASKET 1 AND 66289 QD-647 GASKET 1 AND 66289 QD-675 GASKET 1
TECHNICAL CHARACTERISTICS (FLIS)
COMPONENT QUANTITY11
NONSUPPLY ITEMS AND QUANTITIES66289 QB-77 GASKET 1 AND 66289 QC-58 GASKET 1 AND ND 66289 QD-484 GASKET 1 AND 66289 QD-487-A GASKET 1 AND 66289 QD-487-B GASKET 1 AND 66289 QD-570-A GASKET 1 AND 66289 QD-571 GASKET 1 AND 66289 QD-612-A GASKET 1 AND 66289 QD-647 GASKET 1 AND 66289 QD-675 GASKET 1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
13641Interchangeable
interchangeable cross-reference
interchangeable
3N4AInterchangeable
interchangeable cross-reference
interchangeable
BB21770Interchangeable
interchangeable cross-reference
interchangeable
BS4-1432PC38Interchangeable
interchangeable cross-reference
interchangeable
BS5-1435PC38Interchangeable
interchangeable cross-reference
interchangeable
BS4-1878PC38-130Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18518SA?
18518SA is a GASKET SET.
What parts can replace 18518SA?
There are 23 known substitutes for 18518SA: 13641, 3N4A, BB21770 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 18518SA?
18518SA is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-353-5908. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026