Model: 5121815

Helical Gear

Properties:

Body Style
Webbed, offset, with lightening holes
End Application
Grumman aerospace a-10 aircraft
Pitch Diameter
8.2500 inches
Teeth Quantity
78
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Hardness Rating
26.0 rockwell c and 32.0 rockwell c
Outside Diameter
8.495 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
16.0000 degrees
Helix Angle
19.0114 degrees
Distance Between Body Face And Recessed Hub End
0.063 inches first end
Face Width
1.188 inches
Bore Diameter
1.187 inches both ends
Keyway Width
0.252 inches both ends
Distance From Bore Center To Keyway Bottom
0.717 inches both ends
Hub Style Designator
Plain first end
Hub Diameter
2.187 inches first end
Material
Steel
Style Designator
Recessed hub
NSN
3020-00-745-7738
Part Number
5121815
Description
Gear,helical
CAGE
72582

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 5121815 NSN 3020-00-745-7738

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
13.2000lbs
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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