Model: 8712211

Helical Gear

Properties:

Body Style
Webbed, solid
Pitch Diameter
6.1286 inches
Teeth Quantity
33
Bore Style
10a w/ keyway both ends
Hardness Rating
59.0 rockwell c and 62.0 rockwell c
Outside Diameter
6.397 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
17.5000 degrees
Helix Angle
26.1838 degrees
Distance Between Body Face And Protruding Hub End
0.141 inches second end
Distance Between Body Face And Protruding Hub End
0.329 inches first end
Face Width
1.343 inches
Bore Diameter
2.625 inches both ends
Keyway Width
0.375 inches both ends
Distance From Bore Center To Keyway Bottom
1.530 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
3.500 inches both ends
Material
Steel comp 8620h and steel comp 8720h
Material Specification
66aisi/sae 8620h federal standard 1st material response and 66aisi/sae 8720h federal standard 2nd material response
Style Designator
Recessed hubs
NSN
3020-00-971-5017
Part Number
8712211
Description
Gear,helical
CAGE
19207

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 8712211 NSN 3020-00-971-5017

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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
7.7000lbs
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:
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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