Model: 520-1-117

Gear Cluster

Properties:

Design Type
Spur first gear
Design Type
Spur second gear
Construction
Assembled
Outside Diameter
0.8500 inches first gear
Outside Diameter
0.225 inches second gear
Nominallength
0.500 inches
Hub Length
0.078 inches second end
Hub Length
0.156 inches first end
Hub Style Designator
1 step both ends
Hub Diameter
0.047 inches both ends
Material
Aluminum alloy first gear
Material
Stainless steel second gear
Material
Stainless steel shaft/hub
Surface Treatment
Passivate shaft/hub
Surface Treatment
Passivate second gear
NSN
3020-00-804-3860
Part Number
520-1-117
Description
Gear Cluster
CAGE
07421

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 520-1-117 NSN 3020-00-804-3860

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

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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