Model: 3318-505

Gear Cluster

Properties:

Design Type
Spur first gear
Design Type
Spur second gear
Construction
Assembled
Outside Diameter
1.292 inches first gear
Outside Diameter
0.292 inches second gear
Nominallength
1.655 inches
Hub Length
0.175 inches between first and second gear
Hub Length
0.2340 inches second end
Hub Length
0.7042 inches first end
Hub Style Designator
1 step both ends
Hub Style Designator
Plain between first and second gear
Hub Diameter
0.1547 inches first end
Hub Diameter
0.1873 inches second end
Hub Diameter
0.500 inches between first and second gear
Precision Classification
Quality number 10 all gears
Material
Aluminum alloy first gear
Material
Steel second gear
Surface Treatment
Anodize first gear
Surface Treatment
Passivate second gear
NSN
3020-00-020-3902
Part Number
3318-505
Description
Gear Cluster
CAGE
90073

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 3318-505 NSN 3020-00-020-3902

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

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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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