The BRAKE DRUM is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, cooling_fin: NOT INCLUDED, balancing_pad: NOT INCLUDED, oil_drain_hole: NOT INCLUDED, adjustment_hole: NOT INCLUDED, inspection_hole: NOT INCLUDED. This part is cataloged in the U.S.
Government catalog under NSN 2530-01-185-5458, 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
3996623
NSN:2530-01-185-5458 FSC:2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components CAGE:7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
material
STEEL OVERALL
cooling_fin
NOT INCLUDED
balancing_pad
NOT INCLUDED
oil_drain_hole
NOT INCLUDED
adjustment_hole
NOT INCLUDED
inspection_hole
NOT INCLUDED
center_hole_diameter
6.438 INCHES NOMINAL IN
braking_surface_width
5.719 INCHES NOMINAL IN
mounting_hole_spacing
EQUALLY SPACED ON 8.750 INCH BOLT CIRCLE IN
mounting_hole_diameter
0.766 INCHES NOMINAL IN
mounting_hole_quantity
10
end_item_identification
USED ON GENERAL MOTORS SERIES C5D,C6D,C7D MEDIUM DUTY TRUCKS-1983
NSN
2530-01-185-5458
COMPONENT DIAGRAM
KEY FEATURES
•
MOUNTING HOLE QUANTITY: 10
•
ADJUSTMENT HOLE: NOT INCLUDED
•
BALANCING PAD: NOT INCLUDED
•
MOUNTING HOLE SPACING: EQUALLY SPACED ON 8.750 INCH BOLT CIRCLE IN
•
BRAKING SURFACE WIDTH: 5.719 INCHES NOMINAL IN
•
INSPECTION HOLE: NOT INCLUDED
•
MOUNTING HOLE DIAMETER: 0.766 INCHES NOMINAL IN
•
BRAKING SURFACE LOCATION: INTERNAL
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY
10
ADJUSTMENT HOLE
NOT INCLUDED
BALANCING PAD
NOT INCLUDED
MOUNTING HOLE SPACING
EQUALLY SPACED ON 8.750 INCH BOLT CIRCLE IN
BRAKING SURFACE WIDTH
5.719 INCHES NOMINAL IN
INSPECTION HOLE
NOT INCLUDED
MOUNTING HOLE DIAMETER
0.766 INCHES NOMINAL IN
BRAKING SURFACE LOCATION
INTERNAL
OIL DRAIN HOLE
NOT INCLUDED
CENTER HOLE DIAMETER
6.438 INCHES NOMINAL 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.
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FREQUENTLY ASKED QUESTIONS
What is 3996623?
3996623 is a BRAKE DRUM.
What parts can replace 3996623?
There is 1 known substitute for 3996623: 3890149. Substitute compatibility should be verified for your specific system.
What is the NSN for 3996623?
3996623 is cataloged in the U.S. Government catalog under NSN 2530-01-185-5458. This indicates validated use in U.S. government and defense supply chains.
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