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PartsTable / COMPONENT / 31105S-5-G18029
31105S-5-G18029 ✓ 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. Key specifications include outside_diameter: 2.938 INCHES NOMINAL IN, aperture_diameter: 2.125 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-932-4792, 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
31105S-5-G18029
NSN: 5330-00-932-4792
FSC: 5330
CAGE: 63220 — FLOWSERVE INC (USA)
SPECIFICATIONS
outside_diameter2.938 INCHES NOMINAL IN
aperture_diameter2.125 INCHES NOMINAL IN
NSN5330-00-932-4792
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 31105S-5-G18029 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
•
OUTSIDE DIAMETER: 2.938 INCHES NOMINAL IN
•
APERTURE DIAMETER: 2.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER2.938 INCHES NOMINAL IN
APERTURE DIAMETER2.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
956-4704Interchangeable
interchangeable cross-reference
interchangeable
AI-6Interchangeable
interchangeable cross-reference
interchangeable
LS-103RInterchangeable
interchangeable cross-reference
interchangeable
11074Interchangeable
interchangeable cross-reference
interchangeable
455107Interchangeable
interchangeable cross-reference
interchangeable
57520Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31105S-5-G18029?
31105S-5-G18029 is a GASKET.
What parts can replace 31105S-5-G18029?
There are 26 known substitutes for 31105S-5-G18029: 956-4704, AI-6, LS-103R and 23 more. Substitute compatibility should be verified for your specific system.
Is 31105S-5-G18029 still available?
31105S-5-G18029 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026