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21621006020004 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

21621006020004: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1026 OVERALL, flange_width: 0.4360 INCHES NOMINAL IN, overall_length: 1.2510 INCHES MINIMUM AND 1.3010 INCHES MAXIMUM IN, body_inside_diameter: 1.9681 INCHES MINIMUM AND 1.9686 INCHES MAXIMUM IN, body_outside_diameter: 2.9990 INCHES MINIMUM AND 2.9999 INCHES MAXIMUM IN, flange_outside_diameter: 3.5000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-252-3196, 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
21621006020004
NSN: 3120-01-252-3196
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 18634 — TALBERT MANUFACTURING INC DBA TALBERT TRAILERS (USA)
SPECIFICATIONS
materialSTEEL COMP 1026 OVERALL
flange_width0.4360 INCHES NOMINAL IN
overall_length1.2510 INCHES MINIMUM AND 1.3010 INCHES MAXIMUM IN
body_inside_diameter1.9681 INCHES MINIMUM AND 1.9686 INCHES MAXIMUM IN
body_outside_diameter2.9990 INCHES MINIMUM AND 2.9999 INCHES MAXIMUM IN
flange_outside_diameter3.5000 INCHES NOMINAL IN
NSN3120-01-252-3196
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 21621006020004 · 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
•
FLANGE OUTSIDE DIAMETER: 3.5000 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 2.9990 INCHES MINIMUM AND 2.9999 INCHES MAXIMUM IN
•
BODY INSIDE DIAMETER: 1.9681 INCHES MINIMUM AND 1.9686 INCHES MAXIMUM IN
•
FLANGE WIDTH: 0.4360 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 1026 OVERALL
TECHNICAL CHARACTERISTICS
FLANGE OUTSIDE DIAMETER3.5000 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER2.9990 INCHES MINIMUM AND 2.9999 INCHES MAXIMUM IN
OVERALL LENGTH1.2510 INCHES MINIMUM AND 1.3010 INCHES MAXIMUM IN
BODY INSIDE DIAMETER1.9681 INCHES MINIMUM AND 1.9686 INCHES MAXIMUM IN
FLANGE WIDTH0.4360 INCHES NOMINAL IN
MATERIALSTEEL COMP 1026 OVERALL
OTHER ITEMS IN FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288 3120-00-001-1835 3120-00-001-1838 3120-00-001-1928 3120-00-001-1934 3120-00-001-3933 3120-00-001-3937 3120-00-001-3938
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21621006020004?
21621006020004 is a BUSHING,SLEEVE.
What is the NSN for 21621006020004?
21621006020004 is cataloged in the U.S. Government catalog under NSN 3120-01-252-3196. 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.