Model: 681640

Worm Wheel Gear

Properties:

Body Style
Webbed, solid
Pitch Diameter
2.8648 inches
Teeth Quantity
72
Face Type
Concave
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Outside Diameter
3.004 inches
Tooth Direction
Right
Throat Radius
0.351 inches
Mating Thread Lead Quantity
1
Pressure Angle
14.5000 degrees
Helix Angle
2.9164 degrees
Distance Between Body Face And Protruding Hub End
0.125 inches both ends
Face Width
0.501 inches
Bore Diameter
0.500 inches both ends
Keyway Width
0.125 inches both ends
Distance From Bore Center To Keyway Bottom
0.324 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
1.000 inches both ends
Material
Copper alloy 464
Material Specification
Qq-b-639 federal specification single material response
Style Designator
Protruding hubs
NSN
3020-00-272-6114
Part Number
681640
Description
Gear,worm Wheel
CAGE
10001

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 681640 NSN 3020-00-272-6114

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:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.7000lbs
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:
197337
UFC:
96690
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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