4B20B4-009 — BUSHING,SLEEVE

✓ Government record, cited

— · BALL BEARING

PRODUCT OVERVIEW

4B20B4-009: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 642 OVERALL, corner_shape: SQUARE OUTSIDE LEFT CORNER, flange_width: 0.0570 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN, overall_length: 0.3330 INCHES MINIMUM AND 0.3480 INCHES MAXIMUM IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, surface_treatment: CADMIUM OUTSIDE DIAMETER SURFACE OF FLANGE. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-809-6679, 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

4B20B4-009

NSN: 3120-00-809-6679
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 43999 — THE BOEING COMPANY DIV LEGACY AM&M (USA)

SPECIFICATIONS

material	COPPER ALLOY 642 OVERALL
corner_shape	SQUARE OUTSIDE LEFT CORNER
flange_width	0.0570 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN
overall_length	0.3330 INCHES MINIMUM AND 0.3480 INCHES MAXIMUM IN
style_designator	SOLID, EXTERNAL FLANGE ONE END
surface_treatment	CADMIUM OUTSIDE DIAMETER SURFACE OF FLANGE
body_inside_diameter	0.2495 INCHES MINIMUM AND 0.2505 INCHES MAXIMUM IN
body_outside_diameter	0.3760 INCHES MINIMUM AND 0.3765 INCHES MAXIMUM IN
flange_outside_diameter	0.4900 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN
material_document_and_classification	AMS 4631 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classification	QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE RIGHT END SURFACE OF LEFT FLANGE
NSN	3120-00-809-6679

COMPONENT DIAGRAM

KEY FEATURES

•

CORNER SHAPE: SQUARE INSIDE RIGHT CORNER

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OUTSIDE DIAMETER SURFACE OF BODY

TECHNICAL CHARACTERISTICS

CORNER SHAPE	SQUARE INSIDE RIGHT CORNER
CORNER SHAPE	SQUARE OUTSIDE RIGHT CORNER
CORNER SHAPE	SQUARE OUTSIDE LEFT CORNER
CORNER SHAPE	SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPE	SQUARE INSIDE LEFT CORNER
CORNER SHAPE	UNDERCUT LEFT FLANGE BODY CORNER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OUTSIDE DIAMETER SURFACE OF BODY
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OUTSIDE DIAMETER SURFACE OF FLANGE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE RIGHT END SURFACE OF BODY
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE LEFT END SURFACE OF BODY AND FLANGE

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: Terminal item — stock exhausted; no further procurementNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 4B20B4-009?

4B20B4-009 is a BUSHING,SLEEVE.

What is the NSN for 4B20B4-009?

4B20B4-009 is cataloged in the U.S. Government catalog under NSN 3120-00-809-6679. This indicates validated use in U.S. government and defense supply chains.

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4B20B4-009 — BUSHING,SLEEVE

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