PartsTable
Technical Data Sheet
PartsTable / O-RING / 2-149L1120-70
2-149L1120-70 ✓ 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. Key specifications include material: RUBBER FLUOROSILICONE CLASS FQ, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, outside_diameter: 3.006 INCHES NOMINAL IN, center_hole_diameter: 2.778 INCHES MINIMUM AND 2.822 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-759-2012, 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
2-149L1120-70
NSN: 5331-00-759-2012
FSC: 5331 — O-RING
CAGE: 02697 — PARKER-HANNIFIN CORP DIV O-RING DIVISION (USA)
SPECIFICATIONS
materialRUBBER FLUOROSILICONE CLASS FQ
hardness_rating70.0 SHORE DUROMETER A NOMINAL
outside_diameter3.006 INCHES NOMINAL IN
center_hole_diameter2.778 INCHES MINIMUM AND 2.822 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN5331-00-759-2012
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2-149L1120-70 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
KEY FEATURES
•
MATERIAL: RUBBER FLUOROSILICONE CLASS FQ
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 2.778 INCHES MINIMUM AND 2.822 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 3.006 INCHES NOMINAL IN
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER FLUOROSILICONE CLASS FQ
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
CENTER HOLE DIAMETER2.778 INCHES MINIMUM AND 2.822 INCHES MAXIMUM IN
OUTSIDE DIAMETER3.006 INCHES NOMINAL IN
ELONGATION PERCENTAGE125 MAXIMUM
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
1309TSInterchangeable
interchangeable cross-reference
interchangeable
1-09422-0800Interchangeable
interchangeable cross-reference
interchangeable
12559MInterchangeable
interchangeable cross-reference
interchangeable
12791-1Interchangeable
interchangeable cross-reference
interchangeable
M25988-1-149Interchangeable
interchangeable cross-reference
interchangeable
M25988/1-149Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2-149L1120-70?
2-149L1120-70 is a O-RING.
What parts can replace 2-149L1120-70?
There are 12 known substitutes for 2-149L1120-70: 1309TS, 1-09422-0800, 12559M and 9 more. Substitute compatibility should be verified for your specific system.
Is 2-149L1120-70 still available?
2-149L1120-70 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