Model: Z4E-79-AR

Spur Antibacklash Gear

Properties:

Teeth Quantity
79
Bore Style
Plain both ends
Nominallength
0.3250 inches
Tooth Form
Special
Face Width
0.1040 inches
Bore Diameter
0.187 inches both ends
Hub Style Designator
Pinned first end
Material
Aluminum alloy body
Surface Treatment
Anodize body
Style Designator
Protruding hub
NSN
3020-01-179-8073
Part Number
Z4E-79-AR
Description
Gear,antibacklash,spur
CAGE
00328

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 Z4E-79-AR NSN 3020-01-179-8073

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

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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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