PartsTable
Technical Data Sheet
PartsTable / O-RING / 6227-4C557-7
6227-4C557-7 ✓ 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 CHLOROPRENE CLASS CR, outside_diameter: 0.348 INCHES NOMINAL IN, center_hole_diameter: 0.203 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-119-1643, 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
6227-4C557-7
NSN: 5331-00-119-1643
FSC: 5331 — O-RING
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR
outside_diameter0.348 INCHES NOMINAL IN
center_hole_diameter0.203 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
NSN5331-00-119-1643
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6227-4C557-7 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
•
MATERIAL: RUBBER CHLOROPRENE CLASS CR
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.203 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.348 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER CHLOROPRENE CLASS CR
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.203 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.348 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
545781Interchangeable
interchangeable cross-reference
interchangeable
AMS7273Interchangeable
interchangeable cross-reference
interchangeable
AMS-R-6855AInterchangeable
interchangeable cross-reference
interchangeable
MIL-R-6855Interchangeable
interchangeable cross-reference
interchangeable
M6855/4-08L289Interchangeable
interchangeable cross-reference
interchangeable
P5021-1-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6227-4C557-7?
6227-4C557-7 is a O-RING.
What parts can replace 6227-4C557-7?
There are 29 known substitutes for 6227-4C557-7: 545781, AMS7273, AMS-R-6855A and 26 more. Substitute compatibility should be verified for your specific system.
Is 6227-4C557-7 still available?
6227-4C557-7 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026