ST4M139BC9-42 — BUSHING,SLEEVE

✓ Government record, cited

— · BALL BEARING

PRODUCT OVERVIEW

ST4M139BC9-42: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 172 OR COPPER ALLOY 173 OVERALL, corner_shape: SQUARE OUTSIDE RIGHT CORNER, flange_width: 0.0600 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN, overall_length: 0.4750 INCHES MINIMUM AND 0.4870 INCHES MAXIMUM IN, surface_finish: 125.0 MICROINCHES INTERMEDIATE LAYER, style_designator: SOLID, EXTERNAL FLANGE ONE END. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-024-7610, 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

ST4M139BC9-42

NSN: 3120-01-024-7610
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)

SPECIFICATIONS

material	COPPER ALLOY 172 OR COPPER ALLOY 173 OVERALL
corner_shape	SQUARE OUTSIDE RIGHT CORNER
flange_width	0.0600 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN
overall_length	0.4750 INCHES MINIMUM AND 0.4870 INCHES MAXIMUM IN
surface_finish	125.0 MICROINCHES INTERMEDIATE LAYER
style_designator	SOLID, EXTERNAL FLANGE ONE END
body_inside_diameter	0.5560 INCHES MINIMUM AND 0.5575 INCHES MAXIMUM IN
body_outside_diameter	0.6892 INCHES MINIMUM AND 0.6902 INCHES MAXIMUM IN
flange_outside_diameter	0.8020 INCHES MINIMUM AND 0.8220 INCHES MAXIMUM IN
material_document_and_classification	QQ-C-530,HT FED SPEC ALL MATERIAL RESPONSES OVERALL
NSN	3120-01-024-7610

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 125.0 MICROINCHES INTERMEDIATE LAYER

•

CORNER SHAPE: SQUARE INSIDE RIGHT CORNER

•

FLANGE OUTSIDE DIAMETER: 0.8020 INCHES MINIMUM AND 0.8220 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

SURFACE FINISH	125.0 MICROINCHES INTERMEDIATE LAYER
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
FLANGE OUTSIDE DIAMETER	0.8020 INCHES MINIMUM AND 0.8220 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER	0.6892 INCHES MINIMUM AND 0.6902 INCHES MAXIMUM IN
STYLE DESIGNATOR	SOLID, EXTERNAL FLANGE ONE END

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 1

4M139BC9-42Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 ST4M139BC9-42?

ST4M139BC9-42 is a BUSHING,SLEEVE.

What parts can replace ST4M139BC9-42?

There is 1 known substitute for ST4M139BC9-42: 4M139BC9-42. Substitute compatibility should be verified for your specific system.

What is the NSN for ST4M139BC9-42?

ST4M139BC9-42 is cataloged in the U.S. Government catalog under NSN 3120-01-024-7610. This indicates validated use in U.S. government and defense supply chains.

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