Model: 8404000

Worm Gear

Properties:

Pitch Diameter
1.6539 inches
Hardness Rating
35.0 rockwell c and 40.0 rockwell c
Outside Diameter
1.850 inches
Nominallength
9.719 inches
Thread Form Quantity
6
Thread Form Direction
Left-hand
Pressure Angle
25.0000 degrees
Helix Angle
30.0000 degrees
Distance Between Body Face And Protruding Hub End
1.937 inches second end
Distance Between Body Face And Protruding Hub End
5.156 inches first end
Face Width
2.625 inches
Hub Style Designator
1 step first end
End Length
0.750 inches second end
End Diameter
1.377 inches second end
First Step Length
0.500 inches second end
First Step Diameter
1.625 inches second end
Second Step Length
0.687 inches second end
Second Step Diameter
1.389 inches second end
Material
Steel
Surface Treatment
Phosphate zinc
Surface Treatment Specification
Mil-p-16232, type z, class 1 military specification single treatment response and mil-p-16232, type z, class 3 military specification single treatment response
Style Designator
Protruding hubs
NSN
3020-00-385-7975
Part Number
8404000
Description
Gear,worm
CAGE
19204

A gear with teeth on its outer surface in the form of helical threads.

Part 8404000 NSN 3020-00-385-7975

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05467
FIIG:
A27300
Concept No.:
1
App. Key:
AJ
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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