Model: 640398

Gear Cluster

Special Features:

Hub tapered, 2.000 in.Largest dia; 1.925 in. Smallest dia

Properties:

Bore Style
W/ keyway both ends
Design Type
Helical first gear
Design Type
Spur second gear
Construction
Solid
Outside Diameter
2.564 inches second gear
Outside Diameter
2.969 inches first gear
Nominallength
1.531 inches
Hub Length
0.120 inches between first and second gear
Hub Length
0.394 inches second end
Bore Diameter
1.378 inches both ends
Keyway Width
0.250 inches both ends
Distance From Bore Center To Keyway Bottom
0.812 inches both ends
Hub Style Designator
Plain between first and second gear
Hub Style Designator
Plain second end
Hub Diameter
2.000 inches second end
Hub Diameter
2.344 inches between first and second gear
Material
Steel comp 4027
Material Specification
Fed standard 66 federal standard single material response
NSN
3020-00-646-7045
Part Number
640398
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 640398 NSN 3020-00-646-7045

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:
1.5000lbs
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:
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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