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Technical Data Sheet
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A-3154 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

A-3154: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include end_item_identification: USED ON A-3154 PART OF HARTZELL PROPELLER GOVERNOR. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-245-0758, 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
A-3154
NSN: 3120-01-245-0758
NIINs: 012450758, 014678731
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 16288 — METSO MINERALS INDUSTRIES, INC. DBA BULK MATERIAL HANDLING (USA)
SPECIFICATIONS
end_item_identificationUSED ON A-3154 PART OF HARTZELL PROPELLER GOVERNOR
NSN3120-01-245-0758
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: A-3154 · 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: 4.9380 INCHES NOMINAL IN
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BODY OUTSIDE DIAMETER: 4.0000 INCHES MINIMUM AND 4.0010 INCHES MAXIMUM IN
•
BODY INSIDE DIAMETER: 3.5030 INCHES MINIMUM AND 3.5040 INCHES MAXIMUM IN
•
FLANGE WIDTH: 0.1580 INCHES MINIMUM AND 0.1600 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS
FLANGE OUTSIDE DIAMETER4.9380 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER4.0000 INCHES MINIMUM AND 4.0010 INCHES MAXIMUM IN
OVERALL LENGTH2.3750 INCHES NOMINAL IN
BODY INSIDE DIAMETER3.5030 INCHES MINIMUM AND 3.5040 INCHES MAXIMUM IN
FLANGE WIDTH0.1580 INCHES MINIMUM AND 0.1600 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY OVERALL
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 A-3154?
A-3154 is a BUSHING,SLEEVE.
What is the NSN for A-3154?
A-3154 is cataloged in the U.S. Government catalog under NSN 3120-01-245-0758. 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.