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145D0121-12 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

145D0121-12: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 OVERALL, flange_width: 0.0900 INCHES NOMINAL IN, overall_length: 1.4400 INCHES NOMINAL IN, body_inside_diameter: 1.3850 INCHES NOMINAL IN, body_outside_diameter: 1.5645 INCHES NOMINAL IN, flange_outside_diameter: 2.3250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-260-0797, 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
145D0121-12
NSN: 3120-01-260-0797
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 77272 — THE BOEING COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 4340 OVERALL
flange_width0.0900 INCHES NOMINAL IN
overall_length1.4400 INCHES NOMINAL IN
body_inside_diameter1.3850 INCHES NOMINAL IN
body_outside_diameter1.5645 INCHES NOMINAL IN
flange_outside_diameter2.3250 INCHES NOMINAL IN
NSN3120-01-260-0797
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 145D0121-12 · 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
•
FLANGE OUTSIDE DIAMETER: 2.3250 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 1.5645 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 1.3850 INCHES NOMINAL IN
•
FLANGE WIDTH: 0.0900 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 4340 OVERALL
TECHNICAL CHARACTERISTICS
FLANGE OUTSIDE DIAMETER2.3250 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.5645 INCHES NOMINAL IN
OVERALL LENGTH1.4400 INCHES NOMINAL IN
BODY INSIDE DIAMETER1.3850 INCHES NOMINAL IN
FLANGE WIDTH0.0900 INCHES NOMINAL IN
MATERIALSTEEL COMP 4340 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 145D0121-12?
145D0121-12 is a BUSHING,SLEEVE.
What is the NSN for 145D0121-12?
145D0121-12 is cataloged in the U.S. Government catalog under NSN 3120-01-260-0797. 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.