Model: 12000550

Internal Gear

Special Features:

148 internal involute splines 1.440 in.Lg; 6.1666 in.Pitch dia; pressure angle 30 deg; side class 5

Properties:

Body Style
Plain, solid
Attachment Method
Press fit
Pitch Diameter
5.6000 inches
Teeth Quantity
84
Bore Style
W/counterbore first end
Backlash Designation
Grade a
Features Provided
Filled markings
Outside Diameter
6.196 inches
Nominallength
2.210 inches
Teeth Type
Straight
Pressure Angle
30.0000 degrees
Bore Diameter
5.493 inches first end
Counterbore Depth
0.050 inches first end
Counterbore Diameter
5.865 inches first end
Hub Style Designator
Plain first end
Hub Diameter
6.068 inches first end
Precision Classification
Quality number 8
Material
Steel comp 4140 or steel comp 8640
Material Specification
Astm a332 assn standard 1st material response or astm a331 assn standard 2nd material response
Surface Treatment Specification
Mil-std-171 fn5.3.2.2 military standard single treatment response
Style Designator
Plain ring
NSN
3020-01-028-0888
Part Number
12000550
Description
Gear,internal
CAGE
19204

A gear with teeth formed on the inner surface of a cylinder or cone.

Part 12000550 NSN 3020-01-028-0888

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05465
FIIG:
A27300
Concept No.:
1
App. Key:
AG
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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
197339
UFC:
96710
LTL:
65.0
LCL:
60.0
WCC:
593
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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