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E3355 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

E3355: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include material: STEEL OVERALL, corner_shape: SQUARE INSIDE RIGHT CORNER, flange_width: 0.3440 INCHES MINIMUM AND 0.4060 INCHES MAXIMUM IN, overall_length: 2.6880 INCHES MINIMUM AND 2.8120 INCHES MAXIMUM IN, hardness_rating: 55.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL, style_designator: SOLID, EXTERNAL FLANGE ONE END. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-424-0619, 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
E3355
NSN: 3120-00-424-0619
NIINs: 004240619, 014473980, 014547634, 014547659, 014547663, 014555027, 014555029, 014555034, 014555043, 014555045, 014619679, 015413714, 015415740
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 35311 — AMERICAN STANDARD INC WESTINGHOUSE AIR BRAKE CO DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
corner_shapeSQUARE INSIDE RIGHT CORNER
flange_width0.3440 INCHES MINIMUM AND 0.4060 INCHES MAXIMUM IN
overall_length2.6880 INCHES MINIMUM AND 2.8120 INCHES MAXIMUM IN
hardness_rating55.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
style_designatorSOLID, EXTERNAL FLANGE ONE END
features_providedCASEHARDENED
body_inside_diameter3.0310 INCHES MINIMUM AND 3.0370 INCHES MAXIMUM IN
body_outside_diameter4.0000 INCHES MINIMUM AND 4.0200 INCHES MAXIMUM IN
flange_outside_diameter4.2300 INCHES MINIMUM AND 4.3750 INCHES MAXIMUM IN
material_document_and_classificationQQ-S-633,FS 1027 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3120-00-424-0619
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: E3355 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CORNER SHAPE: SQUARE INSIDE RIGHT CORNER
•
FLANGE OUTSIDE DIAMETER: 4.2300 INCHES MINIMUM AND 4.3750 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 4.0000 INCHES MINIMUM AND 4.0200 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE LEFT FLANGE BODY CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPECHAMFERED OUTSIDE RIGHT CORNER
FLANGE OUTSIDE DIAMETER4.2300 INCHES MINIMUM AND 4.3750 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER4.0000 INCHES MINIMUM AND 4.0200 INCHES MAXIMUM IN
HARDNESS RATING55.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is E3355?
E3355 is a VALVE,REGULATING,FLUID PRESSURE.
What is the NSN for E3355?
E3355 is cataloged in the U.S. Government catalog under NSN 3120-00-424-0619. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.