Model: 157-339

Gear Cluster

Properties:

Bore Style
Plain second end
Bore Style
W/counterbore first end
Design Type
Spur first gear
Design Type
Spur second gear
Construction
Assembled
Outside Diameter
0.8900 inches first gear
Outside Diameter
0.343 inches second gear
Nominallength
0.216 inches
Hub Length
0.0156 inches first end
Bore Diameter
0.1250 inches both ends
Counterbore Depth
0.0156 inches first end
Counterbore Diameter
0.1875 inches first end
Hub Style Designator
Plain first end
Hub Diameter
0.3000 inches first end
Material
Steel comp 303 second gear
Material
Steel comp 303 shaft/hub
Material
Steel comp 302 first gear
Surface Treatment
Passivate
NSN
3020-00-020-3952
Part Number
157-339
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 157-339 NSN 3020-00-020-3952

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

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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