Model: 3157-323

Gear Cluster

Properties:

Bore Style
Plain both ends
Design Type
Spur first gear
Design Type
Spur second gear
Construction
Assembled
Outside Diameter
0.3120 inches second gear
Outside Diameter
0.750 inches first gear
Nominallength
0.250 inches
Hub Length
0.010 inches first end
Hub Length
0.0220 inches second end
Bore Diameter
0.125 inches both ends
Hub Style Designator
Plain first end
Hub Style Designator
Plain second end
Hub Diameter
0.187 inches first end
Hub Diameter
0.187 inches second end
Material
Copper shaft/hub
Material
Steel comp 303 second gear
Material
Steel comp 302 first gear
Surface Treatment
Passivate first gear
Surface Treatment
Passivate second gear
Furnished Items And Quantity
1 lubricant impregnated bearing
NSN
3020-00-020-3949
Part Number
3157-323
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 3157-323 NSN 3020-00-020-3949

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:
SX
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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