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E0740 2-426 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

E0740 2-426: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER ETHYLENE-PROPYLENE CLASS EPM, temp_rating: -70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, outside_diameter: 5.105 INCHES MINIMUM AND 5.195 INCHES MAXIMUM IN, center_hole_diameter: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN, cross-sectional_height: 4.567 INCHES MINIMUM AND 4.633 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-244-1086, 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
E0740 2-426
NSN: 5331-01-244-1086
FSC: 5331 — O-ring
CAGE: 02697 — PARKER-HANNIFIN CORP DIV O-RING DIVISION (USA)
SPECIFICATIONS
materialRUBBER ETHYLENE-PROPYLENE CLASS EPM
temp_rating-70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
hardness_rating75.0 SHORE DUROMETER A NOMINAL
outside_diameter5.105 INCHES MINIMUM AND 5.195 INCHES MAXIMUM IN
center_hole_diameter0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
cross-sectional_height4.567 INCHES MINIMUM AND 4.633 INCHES MAXIMUM IN
NSN5331-01-244-1086
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: E0740 2-426 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
•
TEMP RATING: -70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 4.567 INCHES MINIMUM AND 4.633 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 5.105 INCHES MINIMUM AND 5.195 INCHES MAXIMUM IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
•
MATERIAL: RUBBER ETHYLENE-PROPYLENE CLASS EPM
TECHNICAL CHARACTERISTICS
TEMP RATING-70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT4.567 INCHES MINIMUM AND 4.633 INCHES MAXIMUM IN
OUTSIDE DIAMETER5.105 INCHES MINIMUM AND 5.195 INCHES MAXIMUM IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
MATERIALRUBBER ETHYLENE-PROPYLENE CLASS EPM
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES 1
2-426E740-75Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is E0740 2-426?
E0740 2-426 is a O-RING.
What parts can replace E0740 2-426?
There is 1 known substitute for E0740 2-426: 2-426E740-75. Substitute compatibility should be verified for your specific system.
What is the NSN for E0740 2-426?
E0740 2-426 is cataloged in the U.S. Government catalog under NSN 5331-01-244-1086. This indicates validated use in U.S. government and defense supply chains.
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