Model: 7157

Spur Gear

Properties:

Body Style
Webbed, solid
Attachment Method
Mounting hole
Pitch Diameter
1.9160 inches
Teeth Quantity
46
Bore Style
Plain both ends
Hardness Rating
27.0 rockwell c and 33.0 rockwell c
Hardness Rating
27.0 rockwell c and 33.0 rockwell c
Mounting Hole Type And Quantity
2 plain axially through body, first end
Outside Diameter
2.000 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Body Recess Depth
0.097 inches first end
Face Width
0.220 inches
Bore Diameter
0.375 inches both ends
Mounting Hole Diameter
0.125 inches axially through body, first end
Material
Steel comp 4130
Material Specification
Mil-s-6758 military specification single material response
Style Designator
Hubless, recessed body
NSN
3020-00-134-0223
Part Number
7157
Description
Gear,spur
CAGE
00539

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 7157 NSN 3020-00-134-0223

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:
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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