Model: 7-4-20

Brake Drum

Properties:

Overall Width
7.750 inches
Mounting Hole Diameter
0.812 inches
Mounting Hole Quantity
10
Overall Outside Diameter
18.625 inches
Center Hole Diameter
Between 9.990 inches and 9.993 inches
Mounting Hole Spacing
Equally spaced on 11.246 to 11.254 in. Bolt circle
Braking Surface Location
Internal
Braking Surface Diameter
Between 17.245 inches and 17.255 inches
Braking Surface Width
4.938 inches
Cooling Fin
Not included
Adjustment Hole
Included
Inspection Hole
Included
Oil Drain Hole
Not included
Balancing Pad
Not included
Fsc Application Data
Ground vehicular brake components
NSN
2530-00-495-7910
Part Number
7-4-20
Description
Brake Drum
CAGE

A circular shaped metal item designed to be connected to a machine or vehicle shaft or wheel and used to retard, stop or prevent motion by the application of pressure exerted by brake(s) or band(s).

Part 7-4-20 NSN 2530-00-495-7910

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
11298
FIIG:
T129-E
Concept No.:
App. Key:
EA
Cond. Code:
2
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 8708300050
  • SITC: 78433
  • End Use: Other parts and accessories of vehicles
  • NAICS: 336340
  • USDA: 1

Freight Class: Brakes and servo-brakes and parts, of motor vehicles of headings 8701 to 8705

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