PartsTable
Technical Data Sheet
PartsTable / O-RING / QR0074L
QR0074L ✓ 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. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-579-8108, 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
QR0074L
NSN: 5331-00-579-8108
FSC: 5331 — O-RING
CAGE: 36004 — LEWYT CORP
SPECIFICATIONS
Part NumberQR0074L
NSN5331-00-579-8108
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: QR0074L 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 34
MS35290-74Interchangeable
interchangeable cross-reference
interchangeable
100034Interchangeable
interchangeable cross-reference
interchangeable
A329246Interchangeable
interchangeable cross-reference
interchangeable
201148Interchangeable
interchangeable cross-reference
interchangeable
4130053Interchangeable
interchangeable cross-reference
interchangeable
3-598Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is QR0074L?
QR0074L is a O-RING.
What parts can replace QR0074L?
There are 34 known substitutes for QR0074L: MS35290-74, 100034, A329246 and 31 more. Substitute compatibility should be verified for your specific system.
Is QR0074L still available?
QR0074L 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