Model: 334-689

Spur Gear

Properties:

Body Style
Plain, solid
Attachment Method
Mounting hole
Pitch Diameter
0.5625 inches
Teeth Quantity
27
Bore Style
Plain both ends
Backlash Designation
Grade b
Mounting Hole Thread Series Designator
Unc transversely through hub, first end
Mounting Hole Thready Qty Per Inch (tpi)
56 transversely through hub, first end
Mounting Hole Thread Size
0.086 inches transversely through hub, first end
Mounting Hole Type And Quantity
1 plain transversely through hub, first end and 1 threaded transversely through hub, first end
Outside Diameter
0.603 inches
Nominallength
0.250 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.125 inches first end
Face Width
0.125 inches
Bore Diameter
0.250 inches both ends
Hub Style Designator
Pinned first end
Hub Diameter
0.500 inches first end
Precision Classification
Quality number 8
Mounting Hole Diameter
0.047 inches transversely through hub, first end
Material
Steel comp 303
Material Specification
Mil-s-7720, comp 303s military specification single material response
Surface Treatment
Passivate
Surface Treatment Specification
Mil-f-14072, e300 finish military specification single treatment response
Style Designator
Protruding hub
NSN
3020-00-438-6952
Part Number
334-689
Description
Gear,spur
CAGE
90073

A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also gear, antibacklash, spur. For bulk material, see rod, pinion.

Part 334-689 NSN 3020-00-438-6952

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05466
FIIG:
A27300
Concept No.:
1
App. Key:
AH
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:
121870
UFC:
64910
LTL:
77.5
LCL:
70.0
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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