Model: 7B6254

Helical Gear

Properties:

Body Style
Webbed, offset, solid
Attachment Method
Mounting hole
Pitch Diameter
25.0670 inches
Teeth Quantity
145
Bore Style
Plain both ends
Mounting Hole Type And Quantity
12 plain axially through body, first end
Outside Diameter
25.3145 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
20.0000 degrees
Helix Angle
15.4072 degrees
Body Recess Depth
0.3125 inches first end
Face Width
1.250 inches
Bore Diameter
22.289 inches both ends
Mounting Hole Diameter
0.377 inches axially through body, first end
Bolt Hole Circle Diameter
23.063 inches axially through body, first end
Material
Steel comp 1040
Material Specification
Fed standard 66 federal standard single material response
Style Designator
Hubless, recessed body
NSN
3020-00-362-7331
Part Number
7B6254
Description
Gear,helical
CAGE
11083

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 7B6254 NSN 3020-00-362-7331

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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