Model: A-8404A-4

Worm Wheel Gear

Properties:

Body Style
Plain, solid
Attachment Method
Mounting hole
Pitch Diameter
0.5620 inches
Teeth Quantity
30
Face Type
Straight
Bore Style
Plain both ends
Mounting Hole Type And Quantity
2 threaded axially through body, first end
Outside Diameter
0.688 inches
Tooth Direction
Right
Pressure Angle
20.0000 degrees
Helix Angle
30.0229 degrees
Distance Between Body Face And Protruding Hub End
0.250 inches first end
Face Width
0.125 inches
Bore Diameter
0.188 inches both ends
Hub Style Designator
Plain first end
Hub Diameter
0.500 inches first end
Material
Copper alloy body
Material
Plastic teeth
Style Designator
Protruding hub
NSN
3020-00-895-7212
Part Number
A-8404A-4
Description
Gear,worm Wheel
CAGE
72914

A gear, cylindrical in form, with spiral teeth designed to mesh with the thread forms of a gear (1), worm. See also gear, antibacklash, worm wheel.

Part A-8404A-4 NSN 3020-00-895-7212

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05468
FIIG:
A27300
Concept No.:
1
App. Key:
AK
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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
109550
UFC:
55910
LTL:
150.0
LCL:
--
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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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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