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Technical Data Sheet
PartsTable / COMPONENT / 4631P
4631P ✓ Verified by PartsTable
— · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, corner_shape: SQUARE INSIDE LEFT CORNER, flange_width: 0.2500 INCHES NOMINAL IN, overall_length: 1.5460 INCHES NOMINAL IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, body_inside_diameter: 0.9850 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 3120-00-339-2670, 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
4631P
NSN: 3120-00-339-2670
FSC: 3120
CAGE: 93232 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING (USA)
SPECIFICATIONS
materialSTEEL OVERALL
corner_shapeSQUARE INSIDE LEFT CORNER
flange_width0.2500 INCHES NOMINAL IN
overall_length1.5460 INCHES NOMINAL IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter0.9850 INCHES NOMINAL IN
body_outside_diameter1.3750 INCHES NOMINAL IN
flange_outside_diameter1.7500 INCHES NOMINAL IN
NSN3120-00-339-2670
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 4631P · 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
•
BODY INSIDE DIAMETER: 0.9850 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 1.3750 INCHES NOMINAL IN
•
FLANGE WIDTH: 0.2500 INCHES NOMINAL IN
•
FLANGE OUTSIDE DIAMETER: 1.7500 INCHES NOMINAL IN
•
CORNER SHAPE: SQUARE OUTSIDE LEFT CORNER
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
TECHNICAL CHARACTERISTICS (FLIS)
BODY INSIDE DIAMETER0.9850 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.3750 INCHES NOMINAL IN
FLANGE WIDTH0.2500 INCHES NOMINAL IN
FLANGE OUTSIDE DIAMETER1.7500 INCHES NOMINAL IN
OVERALL LENGTH1.5460 INCHES NOMINAL IN
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPESQUARE INSIDE RIGHT CORNER
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
672-0211-00Interchangeable
interchangeable cross-reference
interchangeable
BC3312Interchangeable
interchangeable cross-reference
interchangeable
59T11C1793Interchangeable
interchangeable cross-reference
interchangeable
406-50Interchangeable
interchangeable cross-reference
interchangeable
98101Interchangeable
interchangeable cross-reference
interchangeable
51457019Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4631P?
4631P is a BUSHING,SLEEVE.
What parts can replace 4631P?
There are 16 known substitutes for 4631P: 672-0211-00, BC3312, 59T11C1793 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4631P?
4631P is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-339-2670. 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