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Technical Data Sheet
PartsTable / O-RING / LA17491
LA17491 ✓ 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 O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER, special_features: ACTION ID 45485745, cross-sectional_height: 0.092 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-298-6237, 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
LA17491
NSN: 5331-00-298-6237
FSC: 5331 — O-RING
CAGE: 80006 — LITTON SYSTEMS INC AIRTRON DIV (USA)
SPECIFICATIONS
materialRUBBER
special_featuresACTION ID 45485745
cross-sectional_height0.092 INCHES NOMINAL IN
NSN5331-00-298-6237
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: LA17491 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
•
MATERIAL: RUBBER
•
CROSS-SECTIONAL HEIGHT: 0.092 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER
SPECIAL FEATURESACTION ID 45485745
CROSS-SECTIONAL HEIGHT0.092 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
L-57802Interchangeable
interchangeable cross-reference
interchangeable
17490Interchangeable
interchangeable cross-reference
interchangeable
7-074000124Interchangeable
interchangeable cross-reference
interchangeable
1749-1Interchangeable
interchangeable cross-reference
interchangeable
40845-1Interchangeable
interchangeable cross-reference
interchangeable
40845-1 ITEM NO 18Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LA17491?
LA17491 is a O-RING.
What parts can replace LA17491?
There are 9 known substitutes for LA17491: L-57802, 17490, 7-074000124 and 6 more. Substitute compatibility should be verified for your specific system.
Is LA17491 still available?
LA17491 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