Model: 30275-B20-122

Gear Cluster

Properties:

Design Type
Spur first gear
Design Type
Spur second gear
Construction
Assembled
Outside Diameter
1.7222 inches first gear
Outside Diameter
0.3055 inches second gear
Nominallength
1.185 inches
Hub Length
0.138 inches first end
Hub Length
0.592 inches second end
Hub Style Designator
1 step both ends
Hub Diameter
0.187 inches both ends
Precision Classification
Quality number 12 all gears
Material
Aluminum alloy first gear
Material
Steel second gear
Surface Treatment
Anodize first gear
Surface Treatment
Passivate second gear
Surface Treatment Specification
Mil-f-14072, finish e300 military specification single treatment response second gear
NSN
3020-00-918-3125
Part Number
30275-B20-122
Description
Gear Cluster
CAGE
07421

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 30275-B20-122 NSN 3020-00-918-3125

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:
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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