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4D0178-4C016 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

4D0178-4C016: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 630 OVERALL, flange_width: 0.0575 INCHES MINIMUM AND 0.0625 INCHES MAXIMUM IN, overall_length: 0.3075 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN, surface_finish: 125.0 MICROINCHES OVERALL, special_features: OPERATING TEM RANGE -65 DEG F TO +325 DEG F; MAGNETIC PARTICLE PER ESTM E1444 (DPS 4.704) DEGF, style_designator: SOLID, EXTERNAL FLANGE ONE END. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-653-3299, 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
4D0178-4C016
NSN: 3120-01-653-3299
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 88277 — THE BOEING COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 630 OVERALL
flange_width0.0575 INCHES MINIMUM AND 0.0625 INCHES MAXIMUM IN
overall_length0.3075 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
surface_finish125.0 MICROINCHES OVERALL
special_featuresOPERATING TEM RANGE -65 DEG F TO +325 DEG F; MAGNETIC PARTICLE PER ESTM E1444 (DPS 4.704) DEGF
style_designatorSOLID, EXTERNAL FLANGE ONE END
surface_treatmentCADMIUM OR PASSIVATE OVERALL
body_inside_diameter0.2405 INCHES MINIMUM AND 0.2425 INCHES MAXIMUM IN
body_outside_diameter0.3765 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM IN
end_item_identificationC-17A AIRCRAFT A
flange_outside_diameter0.750 INCHES NOMINAL IN
material_document_and_classificationAMS 5643 COND H-1150 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN3120-01-653-3299
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 4D0178-4C016 · 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
•
SURFACE FINISH: 125.0 MICROINCHES OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS-QQ-P-416, TYPE II, CLASS 2 (DPS 9.74, TYPE II) FED SPEC SINGLE TREATMENT RESPONSE OR QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
FLANGE OUTSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 0.3765 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5643 COND H-1150 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 0.2405 INCHES MINIMUM AND 0.2425 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS-QQ-P-416, TYPE II, CLASS 2 (DPS 9.74, TYPE II) FED SPEC SINGLE TREATMENT RESPONSE OR QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
FLANGE OUTSIDE DIAMETER0.750 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.3765 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 COND H-1150 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.3075 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.2405 INCHES MINIMUM AND 0.2425 INCHES MAXIMUM IN
SPECIAL FEATURESOPERATING TEM RANGE -65 DEG F TO +325 DEG F; MAGNETIC PARTICLE PER ESTM E1444 (DPS 4.704) DEGF
SURFACE TREATMENTCADMIUM OR PASSIVATE 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4D0178-4C016?
4D0178-4C016 is a BUSHING,SLEEVE.
What is the NSN for 4D0178-4C016?
4D0178-4C016 is cataloged in the U.S. Government catalog under NSN 3120-01-653-3299. 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.