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4M315-4 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

4M315-4: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, corner_shape: SQUARE ALL CORNERS, flange_width: 0.0150 INCHES MINIMUM AND 0.0250 INCHES MAXIMUM IN, overall_length: 0.4700 INCHES MINIMUM AND 0.5300 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES OVERALL, style_designator: SOLID, EXTERNAL FLANGE ONE END. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-291-9129, 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
4M315-4
NSN: 3120-01-291-9129
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP XM-13 OVERALL
corner_shapeSQUARE ALL CORNERS
flange_width0.0150 INCHES MINIMUM AND 0.0250 INCHES MAXIMUM IN
overall_length0.4700 INCHES MINIMUM AND 0.5300 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES OVERALL
style_designatorSOLID, EXTERNAL FLANGE ONE END
surface_treatmentPASSIVATE OVERALL
body_inside_diameter0.3125 INCHES MINIMUM AND 0.3130 INCHES MAXIMUM IN
body_outside_diameter0.3740 INCHES MINIMUM AND 0.3760 INCHES MAXIMUM IN
flange_outside_diameter0.5480 INCHES MINIMUM AND 0.5780 INCHES MAXIMUM IN
specification/standard_data76301-4-315 MANUFACTURERS STANDARD
material_document_and_classificationAMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN3120-01-291-9129
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 4M315-4 · 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: 63.0 MICROINCHES OVERALL
•
CORNER SHAPE: SQUARE ALL CORNERS
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
FLANGE OUTSIDE DIAMETER: 0.5480 INCHES MINIMUM AND 0.5780 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 0.3740 INCHES MINIMUM AND 0.3760 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES OVERALL
CORNER SHAPESQUARE ALL CORNERS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
FLANGE OUTSIDE DIAMETER0.5480 INCHES MINIMUM AND 0.5780 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.3740 INCHES MINIMUM AND 0.3760 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.4700 INCHES MINIMUM AND 0.5300 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.3125 INCHES MINIMUM AND 0.3130 INCHES MAXIMUM IN
SPECIFICATION/STANDARD DATA76301-4-315 MANUFACTURERS STANDARD
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 4M315-4?
4M315-4 is a BUSHING,SLEEVE.
What is the NSN for 4M315-4?
4M315-4 is cataloged in the U.S. Government catalog under NSN 3120-01-291-9129. 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.