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Technical Data Sheet
PartsTable / O-RING / 5-125 L1120-70
5-125 L1120-70 ✓ 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 product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-763-2336, 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
5-125 L1120-70
NSN: 5331-00-763-2336
FSC: 5331 — O-RING
CAGE: C0308 — PARKER HANNIFIN GMBH O-RING DIVISION (DEU)
SPECIFICATIONS
Part Number5-125 L1120-70
NSN5331-00-763-2336
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5-125 L1120-70 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 12
510-0065-00Interchangeable
interchangeable cross-reference
interchangeable
18034Interchangeable
interchangeable cross-reference
interchangeable
503-S 34Interchangeable
interchangeable cross-reference
interchangeable
12234Interchangeable
interchangeable cross-reference
interchangeable
B94.11MInterchangeable
interchangeable cross-reference
interchangeable
9194555-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5-125 L1120-70?
5-125 L1120-70 is a O-RING.
What parts can replace 5-125 L1120-70?
There are 12 known substitutes for 5-125 L1120-70: 510-0065-00, 18034, 503-S 34 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5-125 L1120-70?
5-125 L1120-70 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-763-2336. 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