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PartsTable / COMPONENT / E0540 2-458
E0540 2-458 ✓ 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 PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER ETHYLENE-PROPYLENE CLASS EPM OVERALL, temp_rating: -70.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF, hardness_rating: 75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM OVERALL, peripheral_diameter: 14.943 INCHES MINIMUM AND 15.107 INCHES MAXIMUM IN, center_hole_diameter: 14.405 INCHES MINIMUM AND 14.545 INCHES MAXIMUM IN, cross-sectional_height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-338-1489, 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
E0540 2-458
NSN: 5330-00-338-1489
FSC: 5330
CAGE: 02697 — PARKER-HANNIFIN CORP DIV O-RING DIVISION (USA)
SPECIFICATIONS
materialRUBBER ETHYLENE-PROPYLENE CLASS EPM OVERALL
temp_rating-70.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
hardness_rating75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM OVERALL
peripheral_diameter14.943 INCHES MINIMUM AND 15.107 INCHES MAXIMUM IN
center_hole_diameter14.405 INCHES MINIMUM AND 14.545 INCHES MAXIMUM IN
cross-sectional_height0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
cross-sectional_shape_styleO-RING
cross_section_outside_diameter0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
material_document_and_classificationE540-80 FSCM 02697 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-338-1489
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: E0540 2-458 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 SECTION OUTSIDE DIAMETER: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
•
TEMP RATING: -70.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: E540-80 FSCM 02697 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
HARDNESS RATING: 75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM OVERALL
•
CENTER HOLE DIAMETER: 14.405 INCHES MINIMUM AND 14.545 INCHES MAXIMUM IN
•
MATERIAL: RUBBER ETHYLENE-PROPYLENE CLASS EPM OVERALL
•
PERIPHERAL DIAMETER: 14.943 INCHES MINIMUM AND 15.107 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS SECTION OUTSIDE DIAMETER0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
TEMP RATING-70.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONE540-80 FSCM 02697 MFR REF SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM OVERALL
CENTER HOLE DIAMETER14.405 INCHES MINIMUM AND 14.545 INCHES MAXIMUM IN
MATERIALRUBBER ETHYLENE-PROPYLENE CLASS EPM OVERALL
PERIPHERAL DIAMETER14.943 INCHES MINIMUM AND 15.107 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLEO-RING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
2458Interchangeable
interchangeable cross-reference
interchangeable
579DInterchangeable
interchangeable cross-reference
interchangeable
3CInterchangeable
interchangeable cross-reference
interchangeable
40770Interchangeable
interchangeable cross-reference
interchangeable
A7000Interchangeable
interchangeable cross-reference
interchangeable
10669408Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is E0540 2-458?
E0540 2-458 is a PACKING,PREFORMED.
What parts can replace E0540 2-458?
There are 18 known substitutes for E0540 2-458: 2458, 579D, 3C and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for E0540 2-458?
E0540 2-458 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-338-1489. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026