ST4M139C3-08 — BUSHING,SLEEVE

✓ Government record, cited

— · BALL BEARING

PRODUCT OVERVIEW

ST4M139C3-08: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 630 OVERALL, corner_shape: SQUARE INSIDE LEFT CORNER, flange_width: 0.0600 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN, overall_length: 0.1350 INCHES MINIMUM AND 0.1470 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 3120-01-024-9824, 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

ST4M139C3-08

NSN: 3120-01-024-9824
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)

SPECIFICATIONS

material	STEEL COMP 630 OVERALL
corner_shape	SQUARE INSIDE LEFT CORNER
flange_width	0.0600 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN
overall_length	0.1350 INCHES MINIMUM AND 0.1470 INCHES MAXIMUM IN
surface_finish	125.0 MICROINCHES INTERMEDIATE LAYER
style_designator	SOLID, EXTERNAL FLANGE ONE END
surface_treatment	PASSIVATE OVERALL
body_inside_diameter	0.1835 INCHES MINIMUM AND 0.1850 INCHES MAXIMUM IN
body_outside_diameter	0.3141 INCHES MINIMUM AND 0.3146 INCHES MAXIMUM IN
flange_outside_diameter	0.4270 INCHES MINIMUM AND 0.4470 INCHES MAXIMUM IN
material_document_and_classification	AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN	3120-01-024-9824

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 125.0 MICROINCHES INTERMEDIATE LAYER

•

CORNER SHAPE: SQUARE INSIDE RIGHT CORNER

•

FLANGE OUTSIDE DIAMETER: 0.4270 INCHES MINIMUM AND 0.4470 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	0.4270 INCHES MINIMUM AND 0.4470 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER	0.3141 INCHES MINIMUM AND 0.3146 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

4M139C3-08Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is ST4M139C3-08?

ST4M139C3-08 is a BUSHING,SLEEVE.

What parts can replace ST4M139C3-08?

There is 1 known substitute for ST4M139C3-08: 4M139C3-08. Substitute compatibility should be verified for your specific system.

What is the NSN for ST4M139C3-08?

ST4M139C3-08 is cataloged in the U.S. Government catalog under NSN 3120-01-024-9824. This indicates validated use in U.S. government and defense supply chains.

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