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Technical Data Sheet
PartsTable / COMPONENT / 4557-4
4557-4 ✓ 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 SHAFT ASSEMBLY,FLEXIBLE is a the manufacturer industrial component. Key specifications include material: STEEL BALL, bore_shape: STRAIGHT, bore_diameter: 65.00 MILLIMETERS NOMINAL MM, overall_width: 33.0 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-020-4113, 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
4557-4
NSN: 5330-00-020-4113
FSC: 5330
CAGE: 41387 — SIEMENS INDUSTRY, INC. DBA SIEMENS ENERGY DIV PROCESS INDUSTRIES AND DRIVES (USA)
SPECIFICATIONS
materialSTEEL BALL
bore_shapeSTRAIGHT
bore_diameter65.00 MILLIMETERS NOMINAL MM
overall_width33.0 MILLIMETERS NOMINAL MM
load_directionRADIAL
surface_finishGROUND
style_designatorLOADING GROOVE, NON-SEPARABLE
features_providedSNAP RING-GROOVE MOUNTING AND MOUNTING GROOVE
overall_outside_diameter140.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
standard_tolerance_designationABEC NO.1
NSN5330-00-020-4113
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4557-4 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
•
BOLT CIRCLE DIAMETER: 2.812 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.016 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
OUTSIDE DIAMETER: 3.375 INCHES NOMINAL IN
•
APERTURE DIAMETER: 2.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL: RUBBER SYNTHETIC OVERALL
•
BOLT HOLE QUANTITY: 12
TECHNICAL CHARACTERISTICS (FLIS)
BOLT CIRCLE DIAMETER2.812 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.016 INCHES NOMINAL IN
HOLE DIAMETER0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
OUTSIDE DIAMETER3.375 INCHES NOMINAL IN
APERTURE DIAMETER2.250 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
MATERIALRUBBER SYNTHETIC OVERALL
BOLT HOLE QUANTITY12
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
ST410Interchangeable
interchangeable cross-reference
interchangeable
110-828Interchangeable
interchangeable cross-reference
interchangeable
717-011563Interchangeable
interchangeable cross-reference
interchangeable
327-5Interchangeable
interchangeable cross-reference
interchangeable
40330Interchangeable
interchangeable cross-reference
interchangeable
67727Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4557-4?
4557-4 is a SHAFT ASSEMBLY,FLEXIBLE.
What parts can replace 4557-4?
There are 7 known substitutes for 4557-4: ST410, 110-828, 717-011563 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4557-4?
4557-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-020-4113. 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