Model: B4281

Helical Gear

Properties:

Body Style
Plain, solid
Pitch Diameter
4.8330 inches
Teeth Quantity
29
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Outside Diameter
5.0990 inches
Teeth Type
Single helix
Tooth Direction
Right
Pressure Angle
20.0000 degrees
Helix Angle
23.0000 degrees
Distance Between Body Face And Protruding Hub End
0.562 inches second end
Distance Between Body Face And Protruding Hub End
0.625 inches first end
Face Width
1.250 inches
Bore Diameter
2.0025 inches both ends
Keyway Width
0.500 inches both ends
Distance From Bore Center To Keyway Bottom
1.281 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
3.000 inches both ends
Material
Steel
Material Specification
Mil-s-16974 military specification single material response
Style Designator
Protruding hubs
NSN
3020-00-274-6596
Part Number
B4281
Description
Gear,helical
CAGE
3X894

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 B4281 NSN 3020-00-274-6596

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:
--
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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