Model: A77257

Spur Gear

Properties:

Body Style
Webbed, solid
Pitch Diameter
7.0000 inches
Teeth Quantity
76
Bore Style
Plain both ends
Hardness Rating
30.0 rockwell c and 35.0 rockwell c
Hardness Rating
30.0 rockwell c and 35.0 rockwell c
Outside Diameter
7.7645 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Body Recess Depth
0.2810 inches both ends
Face Width
1.000 inches
Bore Diameter
5.0623 inches both ends
Precision Classification
Quality number 12
Material
Steel comp 3140
Material Specification
Mil-s-16974 military specification single material response
Style Designator
Hubless, recessed body
NSN
3020-00-239-3951
Part Number
A77257
Description
Gear,spur
CAGE
78047

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 A77257 NSN 3020-00-239-3951

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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