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Technical Data Sheet

SKF 18966 — Technical Data Sheet

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· 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 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-633-7593, 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
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
HMP2361Interchangeable
interchangeable cross-reference
interchangeable
21-009026-01Interchangeable
interchangeable cross-reference
interchangeable
41345Interchangeable
interchangeable cross-reference
interchangeable
55420Interchangeable
interchangeable cross-reference
interchangeable
4131161Interchangeable
interchangeable cross-reference
interchangeable
M60011Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SKF 18966?
SKF 18966 is a SEAL,PLAIN.
What parts can replace SKF 18966?
There are 8 known substitutes for SKF 18966: HMP2361, 21-009026-01, 41345 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SKF 18966?
SKF 18966 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-633-7593. This indicates validated use in U.S. government and defense supply chains.
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