Model: 40591

Helical Gear

Properties:

Body Style
Plain, solid
Attachment Method
Mounting hole
Pitch Diameter
1.6880 inches
Teeth Quantity
21
Bore Style
Tapered second end
Hardness Rating
28.0 rockwell c and 32.0 rockwell c
Mounting Hole Type And Quantity
2 plain transversely through hub, first end
Outside Diameter
1.8135 inches
Nominallength
0.452 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
14.5000 degrees
Helix Angle
38.1500 degrees
Distance Between Body Face And Protruding Hub End
0.076 inches first end
Face Width
0.375 inches
Taper Major Diameter
0.472 inches both ends
Hub Style Designator
Plain first end
Hub Diameter
0.9062 inches first end
Mounting Hole Diameter
0.136 inches transversely through hub, first end
Material
Stainless steel
Style Designator
Protruding hub
NSN
3020-00-118-5217
Part Number
40591
Description
Gear,helical
CAGE
08712

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 40591 NSN 3020-00-118-5217

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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