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5143803 — BRACKET,VEHICULAR COMPONENTS

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

5143803: BRACKET,VEHICULAR COMPONENTS.

The BRACKET,VEHICULAR COMPONENTS is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 934 OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 2.4680 INCHES NOMINAL IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 3.3750 INCHES MINIMUM AND 3.3770 INCHES MAXIMUM IN, body_outside_diameter: 3.5640 INCHES MINIMUM AND 3.5650 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-514-3803, 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
5143803
NSN: 3120-00-514-3803
NIINs: 005143803, 017065573
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialCOPPER ALLOY 934 OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length2.4680 INCHES NOMINAL IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter3.3750 INCHES MINIMUM AND 3.3770 INCHES MAXIMUM IN
body_outside_diameter3.5640 INCHES MINIMUM AND 3.5650 INCHES MAXIMUM IN
material_document_and_classificationQQ-B-691 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3120-00-514-3803
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 5143803 · 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: SQUARE ALL CORNERS
•
BODY OUTSIDE DIAMETER: 3.5640 INCHES MINIMUM AND 3.5650 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-691 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 3.3750 INCHES MINIMUM AND 3.3770 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY 934 OVERALL
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER3.5640 INCHES MINIMUM AND 3.5650 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-691 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH2.4680 INCHES NOMINAL IN
BODY INSIDE DIAMETER3.3750 INCHES MINIMUM AND 3.3770 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY 934 OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5143803?
5143803 is a BRACKET,VEHICULAR COMPONENTS.
What is the NSN for 5143803?
5143803 is cataloged in the U.S. Government catalog under NSN 3120-00-514-3803. 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.