Model: 26-309

Helical Gear

Special Features:

Stamp timing mark on centerline of tooth 141 degrees 45 min from center line of keyway

Properties:

Body Style
Plain, solid
Pitch Diameter
3.4999 inches
Teeth Quantity
27
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Hardness Rating
19.0 rockwell c and 26.0 rockwell c
Outside Diameter
3.720 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
14.5000 degrees
Helix Angle
31.0000 degrees
Face Width
0.875 inches
Bore Diameter
1.500 inches both ends
Keyway Width
0.157 inches both ends
Distance From Bore Center To Keyway Bottom
0.832 inches both ends
Material
Steel comp 1040
Material Specification
66 federal standard single material response and aisi/sae 1040 assn standard single material response
Style Designator
Hubless
NSN
3020-00-448-3473
Part Number
26-309
Description
Gear,helical
CAGE
35301

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 26-309 NSN 3020-00-448-3473

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

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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