Model: 91773

Gear Cluster

Properties:

Design Type
Helical second gear
Design Type
Helical third gear
Design Type
Helical first gear
Design Type
Spur fourth gear
Construction
Solid
Outside Diameter
6.285 inches first gear
Outside Diameter
2.750 inches fourth gear
Outside Diameter
4.185 inches third gear
Outside Diameter
5.285 inches second gear
Nominallength
10.000 inches
Hub Length
0.227 inches between second and third gear
Hub Length
0.570 inches first end
Hub Length
1.687 inches second end
Hub Length
1.580 inches between third and fourth gear
Hub Length
2.552 inches between first and second gear
Hub Style Designator
1 step second end
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
1.375 inches first end
Hub Diameter
1.750 inches second end
Hub Diameter
1.930 inches between third and fourth gear
Hub Diameter
3.000 inches between first and second gear
Hub Diameter
3.360 inches between second and third gear
Material
Steel
NSN
3020-00-622-3772
Part Number
91773
Description
Gear Cluster
CAGE
76760

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 91773 NSN 3020-00-622-3772

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:
019940
UFC:
08170
LTL:
85.0
LCL:
--
WCC:
581
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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