Model: 55543

Worm Gear

Properties:

Attachment Method
Mounting hole
Pitch Diameter
6.3500 inches
Face Type
Concave
Bore Style
Plain both ends
Mounting Hole Type And Quantity
2 plain axially through body, first end
Outside Diameter
6.875 inches
Thread Form Direction
Right-hand
Distance Between Body Face And Protruding Hub End
0.375 inches first end
Distance Between Body Face And Recessed Hub End
0.062 inches second end
Face Width
1.125 inches
Bore Diameter
2.625 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
4.250 inches both ends
Mounting Hole Diameter
0.500 inches axially through body, first end
Material
Copper alloy
Style Designator
One protruding hub, one recessed hub
NSN
3020-00-057-0804
Part Number
55543
Description
Gear,worm
CAGE
62983

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

Part 55543 NSN 3020-00-057-0804

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:
133300
UFC:
63220
LTL:
RATING VARIABLE
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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