Model: 334-688

Helical Gear

Properties:

Body Style
Plain, solid
Pitch Diameter
0.5892 inches
Teeth Quantity
20
Bore Style
Plain both ends
Outside Diameter
0.630 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
20.0000 degrees
Helix Angle
45.0000 degrees
Face Width
0.187 inches
Bore Diameter
0.252 inches both ends
Material
Copper alloy 510
Material Specification
Qq-b-750 comp a, h federal specification single material response
Style Designator
Hubless
NSN
3020-00-450-3487
Part Number
334-688
Description
Gear,helical
CAGE
90073

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 334-688 NSN 3020-00-450-3487

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:
197337
UFC:
96690
LTL:
RATING VARIABLE
LCL:
92.5
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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