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Technical Data Sheet
2-027 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 ISOBUTYLENE-ISOPRENE CLASS IIR, temp_rating: -70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF, hardness_rating: 80.0 SHORE DUROMETER A NOMINAL, outside_diameter: 1.424 INCHES MINIMUM AND 1.458 INCHES MAXIMUM IN, center_hole_diameter: 1.295 INCHES MINIMUM AND 1.307 INCHES MAXIMUM IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 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 5331-00-482-4333, 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
2-027 E540-80
NSN: 5331-00-482-4333
FSC: 5331 — O-RING
CAGE: C0308 — PARKER HANNIFIN GMBH O-RING DIVISION (DEU)
SPECIFICATIONS
materialRUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
temp_rating-70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
hardness_rating80.0 SHORE DUROMETER A NOMINAL
outside_diameter1.424 INCHES MINIMUM AND 1.458 INCHES MAXIMUM IN
center_hole_diameter1.295 INCHES MINIMUM AND 1.307 INCHES MAXIMUM IN
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
NSN5331-00-482-4333
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2-027 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
TEMP RATING: -70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
CENTER HOLE DIAMETER: 1.295 INCHES MINIMUM AND 1.307 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
MATERIAL: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
OUTSIDE DIAMETER: 1.424 INCHES MINIMUM AND 1.458 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING80.0 SHORE DUROMETER A NOMINAL
TEMP RATING-70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
CENTER HOLE DIAMETER1.295 INCHES MINIMUM AND 1.307 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
MATERIALRUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
OUTSIDE DIAMETER1.424 INCHES MINIMUM AND 1.458 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
HF15-5-770HMP0RM1PCTInterchangeable
interchangeable cross-reference
interchangeable
115-001Interchangeable
interchangeable cross-reference
interchangeable
216-01682-1Interchangeable
interchangeable cross-reference
interchangeable
115990Interchangeable
interchangeable cross-reference
interchangeable
CT903Interchangeable
interchangeable cross-reference
interchangeable
5H177Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2-027 E540-80?
2-027 E540-80 is a O-RING.
What parts can replace 2-027 E540-80?
There are 19 known substitutes for 2-027 E540-80: HF15-5-770HMP0RM1PCT, 115-001, 216-01682-1 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2-027 E540-80?
2-027 E540-80 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-482-4333. This indicates validated use in U.S. government and defense supply chains.
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