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Technical Data Sheet
PartsTable / COMPONENT / E1Y14-4.5
E1Y14-4.5 ✓ 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 E1Y14-4.5 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-036-4637, 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
E1Y14-4.5
NSN: 5340-01-036-4637
FSC: 5340
CAGE: 12505 — AIR PRODUCTS AND CHEMICALS INC (USA)
SPECIFICATIONS
Part NumberE1Y14-4.5
NSN5340-01-036-4637
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: E1Y14-4.5 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
•
STYLE DESIGNATOR: CYLINDRICAL
•
COLOR: YELLOW OVERALL
•
MATERIAL: PLASTIC OVERALL
•
INSIDE DIAMETER: 0.875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORCYLINDRICAL
COLORYELLOW OVERALL
MATERIALPLASTIC OVERALL
INSIDE DIAMETER0.875 INCHES NOMINAL IN
OVERALL LENGTH4.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
175Upgraded Successor
successor cross-reference
successor
402618Upgraded Successor
successor cross-reference
successor
1-75EAUpgraded Successor
successor cross-reference
successor
2654828Upgraded Successor
successor cross-reference
successor
WK1Upgraded Successor
successor cross-reference
successor
K436Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is E1Y14-4.5?
E1Y14-4.5 is a E1Y14-4.5.
What parts can replace E1Y14-4.5?
There are 7 known substitutes for E1Y14-4.5: 175, 402618, 1-75EA and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for E1Y14-4.5?
E1Y14-4.5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-036-4637. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026