Model: B4279

Spur Gear

Special Features:

Keyways in bore are 90.0 degrees apart

Properties:

Body Style
Plain, solid
Pitch Diameter
7.5000 inches
Teeth Quantity
30
Bore Style
10b w/ 2 keyways both ends
Bore Style
W/ 2 keyways both ends
Outside Diameter
7.9000 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.125 inches first end
Face Width
2.500 inches
Bore Diameter
3.4980 inches both ends
Keyway Width
0.875 inches both ends
Distance From Bore Center To Keyway Bottom
2.2170 inches both ends
Hub Style Designator
Plain first end
Hub Diameter
5.000 inches first end
Precision Classification
Quality number 12
Material
Steel comp 4140
Material Specification
66 federal standard single material response and aisi/sae 4140 assn standard single material response
Style Designator
Protruding hub
NSN
3020-00-239-3859
Part Number
B4279
Description
Gear,spur
CAGE
16603

A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also gear, antibacklash, spur. For bulk material, see rod, pinion.

Part B4279 NSN 3020-00-239-3859

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05466
FIIG:
A27300
Concept No.:
1
App. Key:
AH
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:
24.0000lbs
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:
197337
UFC:
96690
LTL:
RATING VARIABLE
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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