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Technical Data Sheet
PartsTable / O-RING / 2-248 E540-80
2-248 E540-80 ✓ 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, temp_rating: -70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF, hardness_rating: 80.0 SHORE DUROMETER A NOMINAL, outside_diameter: 4.974 INCHES MINIMUM AND 5.050 INCHES MAXIMUM IN, center_hole_diameter: 4.704 INCHES MINIMUM AND 4.764 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 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 5331-00-087-8528, 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
2-248 E540-80
NSN: 5331-00-087-8528
FSC: 5331 — O-RING
CAGE: 02697 — PARKER-HANNIFIN CORP DIV O-RING DIVISION (USA)
SPECIFICATIONS
materialRUBBER
temp_rating-70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
hardness_rating80.0 SHORE DUROMETER A NOMINAL
outside_diameter4.974 INCHES MINIMUM AND 5.050 INCHES MAXIMUM IN
center_hole_diameter4.704 INCHES MINIMUM AND 4.764 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-00-087-8528
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2-248 E540-80 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
•
HARDNESS RATING: 80.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 4.704 INCHES MINIMUM AND 4.764 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 4.974 INCHES MINIMUM AND 5.050 INCHES MAXIMUM IN
•
MATERIAL: RUBBER
•
TEMP RATING: -70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING80.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER4.704 INCHES MINIMUM AND 4.764 INCHES MAXIMUM IN
OUTSIDE DIAMETER4.974 INCHES MINIMUM AND 5.050 INCHES MAXIMUM IN
MATERIALRUBBER
TEMP RATING-70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
4730PL1340532Interchangeable
interchangeable cross-reference
interchangeable
19-02-1608Interchangeable
interchangeable cross-reference
interchangeable
MILH24136Interchangeable
interchangeable cross-reference
interchangeable
365751PC3Interchangeable
interchangeable cross-reference
interchangeable
36J643PC13Interchangeable
interchangeable cross-reference
interchangeable
C1-241Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2-248 E540-80?
2-248 E540-80 is a O-RING.
What parts can replace 2-248 E540-80?
There are 19 known substitutes for 2-248 E540-80: 4730PL1340532, 19-02-1608, MILH24136 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2-248 E540-80?
2-248 E540-80 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-087-8528. 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