Model: 8171719

Gear Cluster

Properties:

Attachment Method
Mounting hole
Bore Style
Plain both ends
Design Type
Spur first gear
Design Type
Spur second gear
Construction
Assembled
Hardness Rating
25.0 rockwell c hub
Outside Diameter
9.373 inches first gear
Outside Diameter
3.373 inches second gear
Nominallength
1.156 inches
Hub Length
0.218 inches between first and second gear
Hub Length
0.500 inches first end
Bore Diameter
0.749 inches both ends
Hub Style Designator
Pinned first end
Hub Style Designator
Plain between first and second gear
Hub Diameter
1.375 inches first end
Hub Diameter
2.750 inches between first and second gear
Precision Classification
Quality number 10 all gears or quality number 12 all gears
Material
Aluminum alloy 2024 first gear
Material
Aluminum alloy 2024 second gear
Material
Stainless steel shaft/hub
Material Specification
Qq-a-250/4, t3 federal specification single material response first gear
Material Specification
Qq-a-250/4, t3 federal specification single material response second gear
Surface Treatment
Anodize first gear
Surface Treatment
Anodize second gear
Surface Treatment
Passivate shaft/hub
NSN
3020-00-797-9530
Part Number
8171719
Description
Gear Cluster
CAGE
18876

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 8171719 NSN 3020-00-797-9530

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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