Model: A57996-1

Worm Gear

Special Features:

Bore provision included; bore length 0.875 in.; straight gear teeth type; circular pitch 0.09818 in.

Properties:

Attachment Method
Mounting hole
Pitch Diameter
0.4375 inches
Bore Style
Plain first end
Mounting Hole Type And Quantity
1 plain transversely through hub, first end
Outside Diameter
0.500 inches
Nominallength
0.875 inches
Thread Form Direction
Right-hand
Pressure Angle
14.5000 degrees
Helix Angle
4.0833 degrees
Distance Between Body Face And Protruding Hub End
0.1875 inches first end
Face Width
0.687 inches
Bore Diameter
0.250 inches first end
Hub Style Designator
Plain first end
Hub Diameter
0.360 inches first end
Mounting Hole Diameter
0.078 inches transversely through hub, first end
Material
Steel
Style Designator
Protruding hub
NSN
3020-00-902-5677
Part Number
A57996-1
Description
Gear,worm
CAGE
52151

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

Part A57996-1 NSN 3020-00-902-5677

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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