Model: 5991

Helical Gear

Properties:

Body Style
Webbed, with lightening holes
Pitch Diameter
4.9350 inches
Teeth Quantity
38
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Outside Diameter
5.128 inches
Nominallength
1.047 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
14.5000 degrees
Helix Angle
39.6452 degrees
Distance Between Body Face And Protruding Hub End
0.297 inches first end
Distance Between Body Face And Recessed Hub End
0.047 inches second end
Face Width
0.750 inches
Bore Diameter
1.000 inches both ends
Keyway Width
0.158 inches both ends
Distance From Bore Center To Keyway Bottom
0.595 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
1.750 inches first end
Hub Diameter
1.875 inches second end
Material
Iron malleable
Style Designator
One protruding hub, one recessed hub
NSN
3020-00-528-7140
Part Number
5991
Description
Gear,helical
CAGE
78640

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 5991 NSN 3020-00-528-7140

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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