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Technical Data Sheet
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SKF 18966 — SEAL,PLAIN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

SKF 18966: SEAL,PLAIN.

The SEAL,PLAIN is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-633-7593, 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
SKF 18966
NSN: 5330-01-633-7593
FSC: 5330 — Packing and Gasket Materials
CAGE: 54FP0 — SKF USA INC. DBA SKF RELIABILITY SYSTEMS (USA)
SPECIFICATIONS
Part NumberSKF 18966
NSN5330-01-633-7593
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SKF 18966 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
SUBSTITUTES & CROSS-REFERENCES 1
40200 ITEM 211Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SKF 18966?
SKF 18966 is a SEAL,PLAIN.
What parts can replace SKF 18966?
There is 1 known substitute for SKF 18966: 40200 ITEM 211. Substitute compatibility should be verified for your specific system.
What is the NSN for SKF 18966?
SKF 18966 is cataloged in the U.S. Government catalog under NSN 5330-01-633-7593. This indicates validated use in U.S. government and defense supply chains.
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