PartsTable
Technical Data Sheet
41-1166 ✓ 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

CAP,PROTECTIVE,DUST AND MOISTURE. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-942-7124, 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
41-1166
NSN: 5340-00-942-7124
FSC: 5340
CAGE: 64484 — SARGENT-WELCH SCIENTIFIC CO (USA)
SPECIFICATIONS
Part Number41-1166
NSN5340-00-942-7124
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 41-1166 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 4
53174AInterchangeable
interchangeable cross-reference
interchangeable
1168AInterchangeable
interchangeable cross-reference
interchangeable
LR1130Interchangeable
interchangeable cross-reference
interchangeable
ANSI-C18.1MInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 41-1166?
41-1166 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 41-1166?
There are 4 known substitutes for 41-1166: 53174A, 1168A, LR1130 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 41-1166?
41-1166 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-942-7124. This indicates validated use in U.S. government and defense supply chains.
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