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9N4059 — BRAKE DRUM

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

9N4059: BRAKE DRUM.

The BRAKE DRUM is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_size: 0.318 IN. SQ IN, cooling_fin: NOT INCLUDED, balancing_pad: NOT INCLUDED, overall_width: 1.400 INCHES NOMINAL IN, oil_drain_hole: NOT INCLUDED.

This part is cataloged in the U.S. Government catalog under NSN 2530-01-077-6519, 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
9N4059
NSN: 2530-01-077-6519
FSC: 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_size0.318 IN. SQ IN
cooling_finNOT INCLUDED
balancing_padNOT INCLUDED
overall_width1.400 INCHES NOMINAL IN
oil_drain_holeNOT INCLUDED
adjustment_holeNOT INCLUDED
inspection_holeNOT INCLUDED
center_hole_diameter2.421 INCHES NOMINAL IN
braking_surface_width1.281 INCHES NOMINAL IN
mounting_hole_spacingEQUALLY SPACED ON 3.188 IN.BOLT CIRCLE IN
mounting_hole_diameter0.318 INCHES NOMINAL IN
NSN2530-01-077-6519
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BRAKE DRUM TITLE COMPONENT PN 9N4059 MFR BRAKE DRUM
KEY FEATURES
•
MOUNTING HOLE QUANTITY: 12
•
ADJUSTMENT HOLE: NOT INCLUDED
•
BALANCING PAD: NOT INCLUDED
•
MOUNTING HOLE SPACING: EQUALLY SPACED ON 3.188 IN.BOLT CIRCLE IN
•
BRAKING SURFACE WIDTH: 1.281 INCHES NOMINAL IN
•
INSPECTION HOLE: NOT INCLUDED
•
MOUNTING HOLE DIAMETER: 0.318 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY12
ADJUSTMENT HOLENOT INCLUDED
BALANCING PADNOT INCLUDED
MOUNTING HOLE SPACINGEQUALLY SPACED ON 3.188 IN.BOLT CIRCLE IN
BRAKING SURFACE WIDTH1.281 INCHES NOMINAL IN
INSPECTION HOLENOT INCLUDED
MOUNTING HOLE DIAMETER0.318 INCHES NOMINAL IN
OVERALL WIDTH1.400 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER7.685 INCHES NOMINAL IN
HOLE SIZE0.318 IN. SQ IN
OTHER ITEMS IN FSC 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2530-00-001-0012 2530-00-001-0035 2530-00-001-2633 2530-00-001-3371 2530-00-001-3390 2530-00-001-3393 2530-00-001-3426 2530-00-001-3427
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9N4059?
9N4059 is a BRAKE DRUM.
What is the NSN for 9N4059?
9N4059 is cataloged in the U.S. Government catalog under NSN 2530-01-077-6519. 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.