Model: 501938

Gear Cluster

Properties:

Bore Style
Plain both ends
Design Type
Spur first gear
Design Type
Spur second gear
Construction
Assembled
Outside Diameter
1.099 inches first gear
Outside Diameter
0.421 inches second gear
Nominallength
0.500 inches
Hub Length
0.157 inches second end
Bore Diameter
0.187 inches both ends
Hub Style Designator
Plain second end
Hub Diameter
0.375 inches second end
Material
Aluminum alloy 2024 first gear
Material
Steel comp 303 second gear
Material
Steel comp 303 shaft/hub
Material Specification
Qq-a-225/6, alloy 2024, t4 federal specification single material response first gear
Material Specification
Qq-s-764, type 303, cond a-canceled federal specification single material response second gear
Material Specification
Qq-s-764, type 303, cond a-canceled federal specification single material response shaft/hub
Surface Treatment
Anodize first gear
Surface Treatment
Passivate shaft/hub
Surface Treatment
Passivate second gear
NSN
3020-00-253-2012
Part Number
501938
Description
Gear Cluster
CAGE
20284

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 501938 NSN 3020-00-253-2012

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:
133300
UFC:
63220
LTL:
RATING VARIABLE
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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