ST4M139P12-54 — BUSHING,SLEEVE

✓ Government record, cited

— · BALL BEARING

PRODUCT OVERVIEW

ST4M139P12-54: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 630 OVERALL, corner_shape: SQUARE INSIDE LEFT CORNER, flange_width: 0.0600 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN, overall_length: 0.5950 INCHES MINIMUM AND 0.6070 INCHES MAXIMUM IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, surface_treatment: CADMIUM AND CHROMATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-191-3258, 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

ST4M139P12-54

NSN: 3120-01-191-3258
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)

SPECIFICATIONS

material	COPPER ALLOY 630 OVERALL
corner_shape	SQUARE INSIDE LEFT CORNER
flange_width	0.0600 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN
overall_length	0.5950 INCHES MINIMUM AND 0.6070 INCHES MAXIMUM IN
style_designator	SOLID, EXTERNAL FLANGE ONE END
surface_treatment	CADMIUM AND CHROMATE OVERALL
body_inside_diameter	0.7435 INCHES MINIMUM AND 0.7450 INCHES MAXIMUM IN
body_outside_diameter	0.9393 INCHES MINIMUM AND 0.9403 INCHES MAXIMUM IN
flange_outside_diameter	1.1150 INCHES MINIMUM AND 1.1350 INCHES MAXIMUM IN
specification/standard_data	76301-4-139 MANUFACTURERS STANDARD
material_document_and_classification	AMS4640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classification	QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN	3120-01-191-3258

COMPONENT DIAGRAM

KEY FEATURES

•

CORNER SHAPE: SQUARE INSIDE RIGHT CORNER

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

FLANGE OUTSIDE DIAMETER: 1.1150 INCHES MINIMUM AND 1.1350 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
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
FLANGE OUTSIDE DIAMETER	1.1150 INCHES MINIMUM AND 1.1350 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER	0.9393 INCHES MINIMUM AND 0.9403 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

No substitute or cross-reference records for this part.

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 ST4M139P12-54?

ST4M139P12-54 is a BUSHING,SLEEVE.

What is the NSN for ST4M139P12-54?

ST4M139P12-54 is cataloged in the U.S. Government catalog under NSN 3120-01-191-3258. This indicates validated use in U.S. government and defense supply chains.

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ST4M139P12-54 — BUSHING,SLEEVE

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