Model: 7-311221000

Single Disk Brake

Properties:

Overall Width
7.910 inches
Overall Diameter
Between 9.974 inches and 9.989 inches
End Application
Used on ah-64a
Operation Method
Hydraulic
Braking Area Outside Diameter
Between 8.190 inches and 8.310 inches
Lining Contact Surface Width
Between 1.955 inches and 1.995 inches
Rotating Disk Thickness
Between 0.205 inches and 0.210 inches
Hydraulic Cylinder Quantity
2
Hydraulic Cylinder Diameter
Between 4.751 inches and 4.801 inches
Lining Friction Surface Area
7.310 square inches
Installation Location
Left hand front and right hand front
NSN
1630-01-375-0938
Part Number
7-311221000
Description
Brake,single Disk
CAGE
02731

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 7-311221000 NSN 1630-01-375-0938

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:
A
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:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
011790
UFC:
04720
LTL:
RATING VARIABLE
LCL:
--
WCC:
671
TCC:
Z
SHC:
9
ACC:
Equipment for Aircraft

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Schedule B and Export
  • Schedule B: 8803200060
  • SITC: 79293
  • End Use: Parts for military-type goods
  • NAICS: 336413
  • USDA: 1

Freight Class: Undercarriages and parts thereof, for use in military aircraft

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