Model: 142639-01

Gear Cluster

Properties:

Attachment Method
Mounting hole
Bore Style
Plain both ends
Design Type
Helical first gear
Design Type
Spur second gear
Construction
Assembled
Thread Size
0.138 inches both ends
Outside Diameter
0.304 inches second gear
Outside Diameter
0.721 inches first gear
Nominallength
0.280 inches
Hub Length
0.0290 inches first end
Bore Diameter
0.126 inches both ends
Hub Style Designator
Plain first end
Hub Diameter
0.2400 inches between first and second gear
Material
Copper alloy 642 second gear
Material
Copper alloy 642 shaft/hub
Material
Plastic acetal first gear
Material Specification
L-p-392 federal specification single material response first gear
Material Specification
Qq-c-465 federal specification single material response second gear
Material Specification
Qq-c-465 federal specification single material response shaft/hub
Thread Series Designator
Unc both ends
NSN
3020-00-878-8826
Part Number
142639-01
Description
Gear Cluster
CAGE
35351

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 142639-01 NSN 3020-00-878-8826

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:
SO
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
197337
UFC:
96690
LTL:
92.5
LCL:
92.5
WCC:
593
TCC:
Z
SHC:
Z
ACC:
Equipment for Aircraft

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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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