Model: B0-712421

Spur Antibacklash Gear

Properties:

Attachment Method
Mounting hole
Pitch Diameter
9.5000 inches
Teeth Quantity
228
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Face Width
0.342 inches
Precision Classification
Quality number 8
Mounting Hole Diameter
0.438 inches axially through body, first end
Material
Aluminum alloy 2024
Material Specification
Qq-a-225/4, t4 federal specification single material response
Style Designator
Hubless
NSN
3020-00-761-6069
Part Number
B0-712421
Description
Gear,antibacklash,spur
CAGE
70408

An item having one fixed gear and one free gear, both having the same complement of spur gear teeth, mounted on a common hub. The free gear is attached to the fixed gear by springs and operates as one gear. Upon installation with the mating gear, the teeth of the free moving gear are preset to mesh with teeth other than those of the fixed gear. This spring tension between the fixed gear and the free gear eliminates any free motion between the driver and the driven gear. The gear is used where identical and accurate transmitted motion between gears is required.

Part B0-712421 NSN 3020-00-761-6069

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
26668
FIIG:
A27300
Concept No.:
App. Key:
AC
Cond. Code:
1
Status:
A

Material Classification

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
197339
UFC:
96710
LTL:
65.0
LCL:
60.0
WCC:
593
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8483409000
  • SITC: 74840
  • End Use: Industrial machines, other
  • NAICS: 333612
  • USDA: 1

Freight Class: Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately

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