Model: A3151

Gear Cluster

Properties:

Bore Style
W/ keyway second end
Bore Style
W/counterbore first end
Design Type
Spur first gear
Design Type
Spur second gear
Construction
Assembled
Outside Diameter
0.7910 inches second gear
Outside Diameter
1.4330 inches first gear
Nominallength
0.516 inches
Hub Length
0.031 inches between first and second gear
Bore Diameter
0.512 inches both ends
Keyway Width
0.102 inches second end
Distance From Bore Center To Keyway Bottom
0.332 inches second end
Counterbore Depth
0.085 inches first end
Counterbore Diameter
0.6320 inches first end
Hub Style Designator
Plain between first and second gear
Hub Diameter
0.938 inches between first and second gear
Material
Steel
NSN
3020-00-169-6989
Part Number
A3151
Description
Gear Cluster
CAGE
12511

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 A3151 NSN 3020-00-169-6989

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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