B1821-12 — BEARING,SLEEVE

✓ Government record, cited

— · BALL BEARING

PRODUCT OVERVIEW

B1821-12: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 1.4950 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 1.1260 INCHES MINIMUM AND 1.1280 INCHES MAXIMUM IN, body_outside_diameter: 1.3135 INCHES MINIMUM AND 1.3155 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-044-8712, 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

B1821-12

NSN: 3120-01-044-8712
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 71041 — ALTRA INDUSTRIAL MOTION CORP. (USA)

SPECIFICATIONS

material	COPPER ALLOY OVERALL
corner_shape	SQUARE ALL CORNERS
overall_length	1.4950 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN
style_designator	SOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter	1.1260 INCHES MINIMUM AND 1.1280 INCHES MAXIMUM IN
body_outside_diameter	1.3135 INCHES MINIMUM AND 1.3155 INCHES MAXIMUM IN
material_document_and_classification	MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-L-11773 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
NSN	3120-01-044-8712

COMPONENT DIAGRAM

KEY FEATURES

•

CORNER SHAPE: SQUARE ALL CORNERS

•

BODY OUTSIDE DIAMETER: 1.3135 INCHES MINIMUM AND 1.3155 INCHES MAXIMUM IN

•

STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL

•

BODY INSIDE DIAMETER: 1.1260 INCHES MINIMUM AND 1.1280 INCHES MAXIMUM IN

•

MATERIAL: COPPER ALLOY OVERALL

TECHNICAL CHARACTERISTICS

CORNER SHAPE	SQUARE ALL CORNERS
BODY OUTSIDE DIAMETER	1.3135 INCHES MINIMUM AND 1.3155 INCHES MAXIMUM IN
STYLE DESIGNATOR	SOLID, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-L-11773 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
OVERALL LENGTH	1.4950 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN
BODY INSIDE DIAMETER	1.1260 INCHES MINIMUM AND 1.1280 INCHES MAXIMUM IN
MATERIAL	COPPER ALLOY OVERALL
MATERIAL	OIL LUBRICATING LUBRICATION

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

12381009-14Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 B1821-12?

B1821-12 is a BEARING,SLEEVE.

What parts can replace B1821-12?

There is 1 known substitute for B1821-12: 12381009-14. Substitute compatibility should be verified for your specific system.

What is the NSN for B1821-12?

B1821-12 is cataloged in the U.S. Government catalog under NSN 3120-01-044-8712. This indicates validated use in U.S. government and defense supply chains.

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