ST4M139BC-7-38 — BUSHING,SLEEVE

✓ Government record, cited

— · BALL BEARING

PRODUCT OVERVIEW

ST4M139BC-7-38: 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: 0.4420 INCHES NOMINAL IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, body_inside_diameter: 0.4310 INCHES MINIMUM AND 0.4325 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-182-4173, 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

ST4M139BC-7-38

NSN: 3120-01-182-4173
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 94892 — MASTER MACHINE PRODUCTS CORP (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	0.4420 INCHES NOMINAL IN
style_designator	SOLID, EXTERNAL FLANGE ONE END
body_inside_diameter	0.4310 INCHES MINIMUM AND 0.4325 INCHES MAXIMUM IN
body_outside_diameter	0.5641 INCHES MINIMUM AND 0.5648 INCHES MAXIMUM IN
flange_outside_diameter	0.6770 INCHES MINIMUM AND 0.6970 INCHES MAXIMUM IN
specification/standard_data	76301-4-139 MANUFACTURERS STANDARD
material_document_and_classification	QQ-C-530 FED SPEC ALL MATERIAL RESPONSES OVERALL
NSN	3120-01-182-4173

COMPONENT DIAGRAM

KEY FEATURES

•

CORNER SHAPE: SQUARE INSIDE RIGHT CORNER

•

FLANGE OUTSIDE DIAMETER: 0.6770 INCHES MINIMUM AND 0.6970 INCHES MAXIMUM IN

•

BODY OUTSIDE DIAMETER: 0.5641 INCHES MINIMUM AND 0.5648 INCHES MAXIMUM IN

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
FLANGE OUTSIDE DIAMETER	0.6770 INCHES MINIMUM AND 0.6970 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER	0.5641 INCHES MINIMUM AND 0.5648 INCHES MAXIMUM IN
STYLE DESIGNATOR	SOLID, EXTERNAL FLANGE ONE END
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-C-530 FED SPEC ALL MATERIAL RESPONSES 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 1

4M139BC7-38Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is ST4M139BC-7-38?

ST4M139BC-7-38 is a BUSHING,SLEEVE.

What parts can replace ST4M139BC-7-38?

There is 1 known substitute for ST4M139BC-7-38: 4M139BC7-38. Substitute compatibility should be verified for your specific system.

What is the NSN for ST4M139BC-7-38?

ST4M139BC-7-38 is cataloged in the U.S. Government catalog under NSN 3120-01-182-4173. This indicates validated use in U.S. government and defense supply chains.

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