Model: 515A

Helical Gear

Special Features:

1/16 in. By 10 degrees chamfer of bore on first end

Properties:

Body Style
Webbed, offset, solid
Pitch Diameter
6.6116 inches
Teeth Quantity
51
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Hardness Rating
15.7 rockwell c and 22.2 rockwell c
Outside Diameter
6.809 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
14.5000 degrees
Helix Angle
39.5167 degrees
Distance Between Body Face And Recessed Hub End
0.562 inches second end
Face Width
1.498 inches
Bore Diameter
1.935 inches both ends
Keyway Width
0.251 inches both ends
Distance From Bore Center To Keyway Bottom
1.092 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
2.688 inches first end
Hub Diameter
3.000 inches second end
Material
Steel
Style Designator
One flush hub, one recessed hub
NSN
3020-00-254-2082
Part Number
515A
Description
Gear,helical
CAGE
71538

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 515A NSN 3020-00-254-2082

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:
197339
UFC:
96710
LTL:
65.0
LCL:
60.0
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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