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PartsTable / COMPONENT / DD-4531 REF NO 12
DD-4531 REF NO 12 ✓ 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 BEARING,WASHER,THRUST is a the manufacturer industrial component. Key specifications include material: PLASTIC OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-164-1722, 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
DD-4531 REF NO 12
NSN: 3120-01-164-1722
FSC: 3120
CAGE: 53424 — CUNICO CORPORATION (USA)
SPECIFICATIONS
materialPLASTIC OVERALL
NSN3120-01-164-1722
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: DD-4531 REF NO 12 · 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
•
MATERIAL: PLASTIC OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPLASTIC OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
AS18627Interchangeable
interchangeable cross-reference
interchangeable
18627Interchangeable
interchangeable cross-reference
interchangeable
18627-01Interchangeable
interchangeable cross-reference
interchangeable
B51C51CInterchangeable
interchangeable cross-reference
interchangeable
143100010Interchangeable
interchangeable cross-reference
interchangeable
13960NLN7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is DD-4531 REF NO 12?
DD-4531 REF NO 12 is a BEARING,WASHER,THRUST.
What parts can replace DD-4531 REF NO 12?
There are 13 known substitutes for DD-4531 REF NO 12: AS18627, 18627, 18627-01 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for DD-4531 REF NO 12?
DD-4531 REF NO 12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-164-1722. 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