Model: 12446478

Gear Cluster

Properties:

End Application
Infantry fighting vehicle (m2, m2a1, m2a2), cavelry fighting vehicle (m3, m3a1, m3a2)
Bore Style
W/counterbore both ends
Outside Diameter
6.990 inches all gears
Bore Diameter
2.33 inches second counterbore second end
Bore Diameter
5.308 inches first counterbore first end
Bore Depth
0.984 inches first counterbore first end
Part Name Assigned By Controlling Agency
Gear, spur, output dbl sun, 2nd range
Supplementary Features
1st end no. Of teeth 40; 2nd end no. Of teeth 31
NSN
3020-01-644-5364
Part Number
12446478
Description
Gear Cluster
CAGE
19207

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 12446478 NSN 3020-01-644-5364

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:
A
ESD:
A
ESD:
A
MMAC:
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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