ST4M139P7-43 — BUSHING,SLEEVE

✓ Government record, cited

— · BALL BEARING

PRODUCT OVERVIEW

ST4M139P7-43: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 630 OVERALL, corner_shape: UNDERCUT LEFT FLANGE BODY CORNER, flange_width: 0.0600 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN, overall_length: 0.4850 INCHES MINIMUM AND 0.4970 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 3120-01-024-7611, 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

ST4M139P7-43

NSN: 3120-01-024-7611
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)

SPECIFICATIONS

material	COPPER ALLOY 630 OVERALL
corner_shape	UNDERCUT LEFT FLANGE BODY CORNER
flange_width	0.0600 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN
overall_length	0.4850 INCHES MINIMUM AND 0.4970 INCHES MAXIMUM IN
surface_finish	125.0 MICROINCHES INTERMEDIATE LAYER
style_designator	SOLID, EXTERNAL FLANGE ONE END
surface_treatment	CADMIUM OVERALL
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
material_document_and_classification	AMS 4640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classification	QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN	3120-01-024-7611

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 125.0 MICROINCHES INTERMEDIATE LAYER

•

CORNER SHAPE: SQUARE INSIDE RIGHT CORNER

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

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
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
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

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

4M139P7-43Same 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 ST4M139P7-43?

ST4M139P7-43 is a BUSHING,SLEEVE.

What parts can replace ST4M139P7-43?

There is 1 known substitute for ST4M139P7-43: 4M139P7-43. Substitute compatibility should be verified for your specific system.

What is the NSN for ST4M139P7-43?

ST4M139P7-43 is cataloged in the U.S. Government catalog under NSN 3120-01-024-7611. This indicates validated use in U.S. government and defense supply chains.

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