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E0740 2-237 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

E0740 2-237: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include outside_diameter: 3.375 INCHES NOMINAL IN, special_features: VOLUME CUBIC INCH 0.3466;METRIC SIZE INSIDE DIAMETER 74.96, WIDE 76.18, center_hole_diameter: 3.000 INCHES NOMINAL IN, cross-sectional_height: 0.1875 INCHES NOMINAL IN, end_item_identification: LOGISTICS SUPPORT VESSEL, specification/standard_data: AS-568A NATIONAL STD/SPEC A. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-618-8443, 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 2-237
NSN: 5331-01-618-8443
FSC: 5331 — O-ring
CAGE: 02697 — PARKER-HANNIFIN CORP DIV O-RING DIVISION (USA)
SPECIFICATIONS
outside_diameter3.375 INCHES NOMINAL IN
special_featuresVOLUME CUBIC INCH 0.3466;METRIC SIZE INSIDE DIAMETER 74.96, WIDE 76.18
center_hole_diameter3.000 INCHES NOMINAL IN
cross-sectional_height0.1875 INCHES NOMINAL IN
end_item_identificationLOGISTICS SUPPORT VESSEL
specification/standard_dataAS-568A NATIONAL STD/SPEC A
NSN5331-01-618-8443
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: E0740 2-237 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
•
CROSS-SECTIONAL HEIGHT: 0.1875 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 3.375 INCHES NOMINAL IN
•
SPECIFICATION/STANDARD DATA: AS-568A NATIONAL STD/SPEC A
•
CENTER HOLE DIAMETER: 3.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.1875 INCHES NOMINAL IN
OUTSIDE DIAMETER3.375 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATAAS-568A NATIONAL STD/SPEC A
SPECIAL FEATURESVOLUME CUBIC INCH 0.3466;METRIC SIZE INSIDE DIAMETER 74.96, WIDE 76.18
CENTER HOLE DIAMETER3.000 INCHES NOMINAL IN
END ITEM IDENTIFICATIONLOGISTICS SUPPORT VESSEL
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
2-337 EB153-75Reference document
Same NSN cross-reference
Reference document — Design control — primary 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 2-237?
E0740 2-237 is a O-RING.
What parts can replace E0740 2-237?
There is 1 known substitute for E0740 2-237: 2-337 EB153-75. Substitute compatibility should be verified for your specific system.
What is the NSN for E0740 2-237?
E0740 2-237 is cataloged in the U.S. Government catalog under NSN 5331-01-618-8443. This indicates validated use in U.S. government and defense supply chains.
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