Model: 321006

Helical Gear

Properties:

Body Style
Webbed, solid
Attachment Method
Mounting hole
Pitch Diameter
4.1470 inches
Teeth Quantity
47
Bore Style
10a w/ keyway both ends
Hardness Rating
285.0 brinell standard and 325.0 brinell standard
Mounting Hole Type And Quantity
4 plain axially through body, first end
Outside Diameter
4.320 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
14.5000 degrees
Helix Angle
15.1095 degrees
Face Width
2.125 inches
Bore Diameter
1.625 inches both ends
Keyway Width
0.376 inches both ends
Distance From Bore Center To Keyway Bottom
1.018 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
2.250 inches first end
Hub Diameter
2.250 inches second end
Mounting Hole Diameter
0.375 inches axially through body, first end
Bolt Hole Circle Diameter
2.812 inches axially through body, first end
Material
Steel
Material Specification
Mil-s-890, alloy no. 4 military specification single material response
Style Designator
Flush hub
NSN
3020-00-969-2987
Part Number
321006
Description
Gear,helical
CAGE
21444

A gear, cylindrical in form, with teeth on the outer surface at an angle to the axis of the gear. See also gear, antibacklash, helical:

Part 321006 NSN 3020-00-969-2987

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05464
FIIG:
A27300
Concept No.:
1
App. Key:
AF
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:
0.1000lbs
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:
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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