Model: 2Z4887-31

Helical Gear

Properties:

Body Style
Plain, solid
Pitch Diameter
Between 0.8340 inches and 0.8368 inches
Teeth Quantity
20
Bore Style
W/counterbore counterbore, first end
Outside Diameter
0.8932 inches
Teeth Type
Single helix
Tooth Form
Special
Tooth Direction
Left
Pressure Angle
20.0000 degrees
Helix Angle
7.0333 degrees
Face Width
0.064 inches
Bore Diameter
0.500 inches counterbore, first end
Counterbore Depth
0.030 inches counterbore, first end
Counterbore Diameter
0.710 inches counterbore, first end
Material
Copper alloy
Material Specification
Astm b139-46t, grade b2 assn standard single material response
Style Designator
Hubless
NSN
3020-00-693-1068
Part Number
2Z4887-31
Description
Gear,helical
CAGE
80063

A gear, cylindrical in form, with teeth on the outer surface at an angle to the axis of the gear. See also gear, antibacklash, helical:

Part 2Z4887-31 NSN 3020-00-693-1068

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05464
FIIG:
A27300
Concept No.:
1
App. Key:
AF
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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
197339
UFC:
96710
LTL:
65.0
LCL:
--
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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