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12357158-2 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

12357158-2: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include corner_shape: CHAMFERED ALL CORNERS, overall_length: 1.8590 INCHES NOMINAL IN, hardness_rating: 57.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM OVERALL, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, features_provided: CASEHARDENED, surface_treatment: CADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-264-6006, 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
12357158-2
NSN: 3120-01-264-6006
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
corner_shapeCHAMFERED ALL CORNERS
overall_length1.8590 INCHES NOMINAL IN
hardness_rating57.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM OVERALL
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
features_providedCASEHARDENED
surface_treatmentCADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL
body_inside_diameter2.0100 INCHES MINIMUM AND 2.0300 INCHES MAXIMUM IN
body_outside_diameter2.5030 INCHES MINIMUM AND 2.5040 INCHES MAXIMUM IN
material_document_and_classificationASTM 513 ASSN STD ALL MATERIAL RESPONSES OR ASTM 519 ASSN STD ALL MATERIAL RESPONSES OVERALL
surface_treatment_document_and_classificationQQ-P-416,TYPE 2,CLASS 1 FED SPEC 1ST TREATMENT RESPONSE OR ASTM B633,TYPE 2,CLASS FE/ZN 13 ASSN STD 2ND TREATMENT RESPONSE OVERALL
NSN3120-01-264-6006
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 12357158-2 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CORNER SHAPE: CHAMFERED ALL CORNERS
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 1 FED SPEC 1ST TREATMENT RESPONSE OR ASTM B633,TYPE 2,CLASS FE/ZN 13 ASSN STD 2ND TREATMENT RESPONSE OVERALL
•
BODY OUTSIDE DIAMETER: 2.5030 INCHES MINIMUM AND 2.5040 INCHES MAXIMUM IN
•
HARDNESS RATING: 57.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM 513 ASSN STD ALL MATERIAL RESPONSES OR ASTM 519 ASSN STD ALL MATERIAL RESPONSES OVERALL
•
FEATURES PROVIDED: CASEHARDENED
TECHNICAL CHARACTERISTICS
CORNER SHAPECHAMFERED ALL CORNERS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 1 FED SPEC 1ST TREATMENT RESPONSE OR ASTM B633,TYPE 2,CLASS FE/ZN 13 ASSN STD 2ND TREATMENT RESPONSE OVERALL
BODY OUTSIDE DIAMETER2.5030 INCHES MINIMUM AND 2.5040 INCHES MAXIMUM IN
HARDNESS RATING57.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATIONASTM 513 ASSN STD ALL MATERIAL RESPONSES OR ASTM 519 ASSN STD ALL MATERIAL RESPONSES OVERALL
OVERALL LENGTH1.8590 INCHES NOMINAL IN
FEATURES PROVIDEDCASEHARDENED
BODY INSIDE DIAMETER2.0100 INCHES MINIMUM AND 2.0300 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM AND CHROMATE OR ZINC AND CHROMATE 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

No substitute or cross-reference records for this part.

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 12357158-2?
12357158-2 is a BUSHING,SLEEVE.
What is the NSN for 12357158-2?
12357158-2 is cataloged in the U.S. Government catalog under NSN 3120-01-264-6006. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.