Model: AT90A8

Gear Cluster

Properties:

Bore Style
Plain both ends
Design Type
Helical second gear
Design Type
Helical first gear
Design Type
Spur fourth gear
Design Type
Spur third gear
Construction
Solid
Outside Diameter
1.970 inches fourth gear
Outside Diameter
2.575 inches third gear
Outside Diameter
3.470 inches second gear
Outside Diameter
4.070 inches first gear
Nominallength
6.886 inches
Hub Length
0.045 inches first end
Hub Length
0.218 inches between second and third gear
Hub Length
0.857 inches between third and fourth gear
Hub Length
1.904 inches between first and second gear
Bore Diameter
1.063 inches both ends
Hub Style Designator
Plain between first and second gear
Hub Style Designator
Plain first end
Hub Style Designator
Plain between second and third gear
Hub Style Designator
Plain between third and fourth gear
Hub Diameter
1.425 inches between third and fourth gear
Hub Diameter
1.688 inches between first and second gear
Hub Diameter
1.875 inches between second and third gear
Hub Diameter
2.625 inches first end
Material
Steel comp 4027
Material Specification
Fed standard 66 federal standard single material response and aisi/sae 4027 assn standard single material response
NSN
3020-00-769-7422
Part Number
AT90A8
Description
Gear Cluster
CAGE
79410

A cylindrical item having a full 360 degree (6.282 radians) complement of teeth on two or more surfaces. It may be a one-piece casting or composed of two or more separate items firmly held together by welding, rivets, pins, or the like, to form a single unit. It is designed to mount on a shaft. For items consisting of a shaft with an integral complement(s) or gear teeth, see gearshaft (as modified). Excludes gear subassembly, speed decreaser.

Part AT90A8 NSN 3020-00-769-7422

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
36636
FIIG:
A270A0
Concept No.:
App. Key:
A
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:
586
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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