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PartsTable / COMPONENT / C455-3
C455-3 ✓ 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 MOUNT,RESILIENT,UTILITY is a the manufacturer industrial component. Key specifications include diameter: 1.500 INCHES NOMINAL IN, inside_diameter: 0.312 INCHES NOMINAL 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 5340-01-449-5016, 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
C455-3
NSN: 5340-01-449-5016
FSC: 5340
CAGE: 71985 — DOW-ELCO, INC. (USA)
SPECIFICATIONS
diameter1.500 INCHES NOMINAL IN
inside_diameter0.312 INCHES NOMINAL IN
NSN5340-01-449-5016
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: C455-3 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
•
INSIDE DIAMETER: 0.312 INCHES NOMINAL IN
•
DIAMETER: 1.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
INSIDE DIAMETER0.312 INCHES NOMINAL IN
DIAMETER1.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
5205X1AInterchangeable
interchangeable cross-reference
interchangeable
P679Interchangeable
interchangeable cross-reference
interchangeable
PC5150221Interchangeable
interchangeable cross-reference
interchangeable
4106034Interchangeable
interchangeable cross-reference
interchangeable
2808679Interchangeable
interchangeable cross-reference
interchangeable
60490Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C455-3?
C455-3 is a MOUNT,RESILIENT,UTILITY.
What parts can replace C455-3?
There are 6 known substitutes for C455-3: 5205X1A, P679, PC5150221 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C455-3?
C455-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-449-5016. 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