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6521-20-702-6105 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

6521-20-702-6105: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, flange_width: 0.1450 INCHES NOMINAL IN, overall_length: 0.7050 INCHES NOMINAL IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, body_inside_diameter: 1.0025 INCHES MINIMUM AND 1.0045 INCHES MAXIMUM IN, body_outside_diameter: 1.1890 INCHES MINIMUM AND 1.1895 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-147-3528, 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
6521-20-702-6105
NSN: 3120-01-147-3528
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
flange_width0.1450 INCHES NOMINAL IN
overall_length0.7050 INCHES NOMINAL IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter1.0025 INCHES MINIMUM AND 1.0045 INCHES MAXIMUM IN
body_outside_diameter1.1890 INCHES MINIMUM AND 1.1895 INCHES MAXIMUM IN
flange_outside_diameter2.0000 INCHES NOMINAL IN
NSN3120-01-147-3528
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 6521-20-702-6105 · 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: 2.0000 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 1.1890 INCHES MINIMUM AND 1.1895 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
•
BODY INSIDE DIAMETER: 1.0025 INCHES MINIMUM AND 1.0045 INCHES MAXIMUM IN
•
FLANGE WIDTH: 0.1450 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS
FLANGE OUTSIDE DIAMETER2.0000 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.1890 INCHES MINIMUM AND 1.1895 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
OVERALL LENGTH0.7050 INCHES NOMINAL IN
BODY INSIDE DIAMETER1.0025 INCHES MINIMUM AND 1.0045 INCHES MAXIMUM IN
FLANGE WIDTH0.1450 INCHES NOMINAL IN
MATERIALCOPPER ALLOY 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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6521-20-702-6105?
6521-20-702-6105 is a BUSHING,SLEEVE.
What is the NSN for 6521-20-702-6105?
6521-20-702-6105 is cataloged in the U.S. Government catalog under NSN 3120-01-147-3528. 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.