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Technical Data Sheet
PartsTable / COMPONENT / ST1141-46
ST1141-46 ✓ 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 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 5330-01-388-0461, 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
ST1141-46
NSN: 5330-01-388-0461
FSC: 5330
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
Part NumberST1141-46
NSN5330-01-388-0461
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ST1141-46 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 17
MS35489-35Interchangeable
interchangeable cross-reference
interchangeable
6026-7055-8Interchangeable
interchangeable cross-reference
interchangeable
K7822949-8Interchangeable
interchangeable cross-reference
interchangeable
276-1541P2Interchangeable
interchangeable cross-reference
interchangeable
702020-020Interchangeable
interchangeable cross-reference
interchangeable
UA1076ALT1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ST1141-46?
ST1141-46 is a GASKET.
What parts can replace ST1141-46?
There are 17 known substitutes for ST1141-46: MS35489-35, 6026-7055-8, K7822949-8 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ST1141-46?
ST1141-46 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-388-0461. 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