B831-8120-7 — BEARING,SLEEVE

✓ Government record, cited

— · BALL BEARING

PRODUCT OVERVIEW

B831-8120-7: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 48.0000 INCHES NOMINAL IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 2.5050 INCHES MINIMUM AND 2.5060 INCHES MAXIMUM IN, body_outside_diameter: 2.8765 INCHES MINIMUM AND 2.8775 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-508-7803, 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

B831-8120-7

NSN: 3120-01-508-7803
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING OVERALL
corner_shape	SQUARE ALL CORNERS
overall_length	48.0000 INCHES NOMINAL IN
style_designator	SOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter	2.5050 INCHES MINIMUM AND 2.5060 INCHES MAXIMUM IN
body_outside_diameter	2.8765 INCHES MINIMUM AND 2.8775 INCHES MAXIMUM IN
end_item_identification	GEARBOX/ACTUATOR;SEAWOLF CLASS SSN
material_document_and_classification	17-4PH STAINLESS MFR REF ALL MATERIAL RESPONSES OVERALL
NSN	3120-01-508-7803

COMPONENT DIAGRAM

KEY FEATURES

•

CORNER SHAPE: SQUARE ALL CORNERS

•

BODY OUTSIDE DIAMETER: 2.8765 INCHES MINIMUM AND 2.8775 INCHES MAXIMUM IN

•

STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES

•

MATERIAL DOCUMENT AND CLASSIFICATION: 17-4PH STAINLESS MFR REF ALL MATERIAL RESPONSES OVERALL

•

BODY INSIDE DIAMETER: 2.5050 INCHES MINIMUM AND 2.5060 INCHES MAXIMUM IN

•

MATERIAL: STEEL CORROSION RESISTING OVERALL

TECHNICAL CHARACTERISTICS

CORNER SHAPE	SQUARE ALL CORNERS
BODY OUTSIDE DIAMETER	2.8765 INCHES MINIMUM AND 2.8775 INCHES MAXIMUM IN
STYLE DESIGNATOR	SOLID, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATION	17-4PH STAINLESS MFR REF ALL MATERIAL RESPONSES OVERALL
OVERALL LENGTH	48.0000 INCHES NOMINAL IN
BODY INSIDE DIAMETER	2.5050 INCHES MINIMUM AND 2.5060 INCHES MAXIMUM IN
END ITEM IDENTIFICATION	GEARBOX/ACTUATOR;SEAWOLF CLASS SSN
MATERIAL	STEEL CORROSION RESISTING 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

596-7410574-7Same 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 B831-8120-7?

B831-8120-7 is a BEARING,SLEEVE.

What parts can replace B831-8120-7?

There is 1 known substitute for B831-8120-7: 596-7410574-7. Substitute compatibility should be verified for your specific system.

What is the NSN for B831-8120-7?

B831-8120-7 is cataloged in the U.S. Government catalog under NSN 3120-01-508-7803. This indicates validated use in U.S. government and defense supply chains.

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