Model: 3157-129

Spur Gear

Properties:

Body Style
Plain, solid
Pitch Diameter
0.3750 inches
Teeth Quantity
18
Bore Style
Plain both ends
Outside Diameter
0.469 inches
Nominallength
0.312 inches
Tooth Form
Standard
Pressure Angle
14.0000 degrees
Distance Between Body Face And Protruding Hub End
0.187 inches first end
Face Width
0.125 inches
Hub Style Designator
Plain first end
Hub Diameter
2.810 inches first end
Precision Classification
Quality number 10 or quality number 11
Material
Steel comp 303
Material Specification
Qq-s-763, class 303, cond a federal specification single material response
Style Designator
Protruding hub
NSN
3020-00-960-1422
Part Number
3157-129
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 3157-129 NSN 3020-00-960-1422

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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