Model: B121693

Helical Gear

Properties:

Body Style
Plain, solid
Pitch Diameter
Between 2.5025 inches and 2.5035 inches
Teeth Quantity
21
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Hardness Rating
28.0 rockwell c and 31.0 rockwell c
Outside Diameter
2.7040 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
14.5000 degrees
Helix Angle
33.1166 degrees
Face Width
0.875 inches
Bore Diameter
1.1250 inches both ends
Keyway Width
0.189 inches both ends
Distance From Bore Center To Keyway Bottom
0.6590 inches both ends
Material
Steel comp 1144
Material Specification
66 federal standard single material response and aisi/sae 1144 assn standard single material response
Style Designator
Hubless
NSN
3020-00-528-8648
Part Number
B121693
Description
Gear,helical
CAGE
53591

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 B121693 NSN 3020-00-528-8648

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

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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