Model: WB390

Single Disk Brake

Properties:

Bolt Circle Diameter
7.000 inches
Overall Width
7.250 inches
Mounting Hole Diameter
0.535 inches
Mounting Hole Quantity
3
Overall Diameter
18.000 inches
Operation Method
Hydraulic
Mounting Method
Anchor plate flange
Braking Area Outside Diameter
14.000 inches
Lining Contact Surface Width
2.840 inches
Hydraulic Cylinder Quantity
2
Hydraulic Cylinder Diameter
2.812 inches
Lining Friction Surface Area
25.336 square inches
Installation Location
Right hand front
NSN
2530-00-451-2746
Part Number
WB390
Description
Brake,single Disk
CAGE
63659

A brake consisting essentially of the following: a. A single piece or divided cylinder housing designed to be mounted on the torque flange of an axle. The cylinder housing has a slot or groove through which the disk, brake passes. It contains a piston(s) or push rod(s) which provides the hydraulic or mechanical force to press the lining, friction against the disk, brake. b. Lining, friction. c. A disk, brake designed to be keyed or rigidly attached to a wheel or rotating shaft.

Part WB390 NSN 2530-00-451-2746

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
09193
FIIG:
T129-B
Concept No.:
1
App. Key:
BA
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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
018400
UFC:
08480
LTL:
70.0
LCL:
--
WCC:
581
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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