Model: 643702

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
1.973 inches fourth gear
Outside Diameter
2.580 inches third gear
Outside Diameter
3.474 inches second gear
Outside Diameter
4.304 inches first gear
Nominallength
6.875 inches
Hub Length
0.0480 inches first end
Hub Length
0.220 inches between second and third gear
Hub Length
0.812 inches between third and fourth gear
Hub Length
2.419 inches between first and second gear
Bore Diameter
1.005 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
1.695 inches between first and second gear
Hub Diameter
1.875 inches between second and third gear
Hub Diameter
2.656 inches first end
Material
Steel
NSN
3020-00-848-2601
Part Number
643702
Description
Gear Cluster
CAGE
34623

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 643702 NSN 3020-00-848-2601

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:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
7.5000lbs
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:
133300
UFC:
63220
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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