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Technical Data Sheet
PartsTable / COMPONENT / 0621521
0621521 ✓ 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 special_features: NHA N-11398-1 WEDGE GATE VALVE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-469-8989, 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
0621521
NSN: 3120-01-469-8989
FSC: 3120
CAGE: 63686 — THE WALWORTH COMPANY (USA)
SPECIFICATIONS
special_featuresNHA N-11398-1 WEDGE GATE VALVE
NSN3120-01-469-8989
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 0621521 · 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
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESNHA N-11398-1 WEDGE GATE VALVE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
CD-1104 PART 1503-N 3.00INInterchangeable
interchangeable cross-reference
interchangeable
15F-3/7878REV0/882049760Interchangeable
interchangeable cross-reference
interchangeable
1503-N 3.00IN CD-1104Interchangeable
interchangeable cross-reference
interchangeable
N-11398-1 PIECE 5 6INInterchangeable
interchangeable cross-reference
interchangeable
CD-55299Interchangeable
interchangeable cross-reference
interchangeable
700663272Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0621521?
0621521 is a BUSHING,SLEEVE.
What parts can replace 0621521?
There are 24 known substitutes for 0621521: CD-1104 PART 1503-N 3.00IN, 15F-3/7878REV0/882049760, 1503-N 3.00IN CD-1104 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 0621521?
0621521 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-469-8989. 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