Model: 1988PC76049B

Helical Gear

Special Features:

Timing mark on center of tooth space, first side of gear face, 7 degrees 1 min 15 sec from centerline of keyway

Properties:

Body Style
Spoked
Pitch Diameter
6.4800 inches
Teeth Quantity
50
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Hardness Rating
15.0 rockwell c teeth and 23.0 rockwell c teeth
Hardness Rating
15.0 rockwell c hub and 23.0 rockwell c hub
Outside Diameter
6.675 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
14.5000 degrees
Helix Angle
39.5167 degrees
Distance Between Body Face And Recessed Hub End
0.063 inches second end
Face Width
0.875 inches
Bore Diameter
0.062 inches both ends
Keyway Width
0.251 inches both ends
Distance From Bore Center To Keyway Bottom
1.154 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
2.750 inches first end
Hub Diameter
2.750 inches second end
Material
Steel
Style Designator
One flush hub, one recessed hub
NSN
3020-00-274-3324
Part Number
1988PC76049B
Description
Gear,helical
CAGE
50309

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 1988PC76049B NSN 3020-00-274-3324

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:
132330
UFC:
64340
LTL:
85.0
LCL:
--
WCC:
671
TCC:
Z
SHC:
9
ACC:
Equipment for Aircraft

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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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