Model: 668A759P21

Worm Gear

Properties:

Pitch Diameter
Between 0.9970 inches and 1.0000 inches
Bore Style
Plain both ends
Outside Diameter
0.873 inches
Nominallength
1.688 inches
Thread Form Direction
Left-hand
Helix Angle
4.0833 degrees
Distance Between Body Face And Protruding Hub End
0.438 inches first end
Face Width
1.250 inches
Bore Diameter
0.375 inches both ends
Hub Style Designator
Plain first end
NSN
3020-00-033-9656
Part Number
668A759P21
Description
Gear,worm
CAGE

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

Part 668A759P21 NSN 3020-00-033-9656

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:
SX
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
197339
UFC:
96710
LTL:
65.0
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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