Model: 4277A

Internal Gear

Properties:

Body Style
Plain, solid
Pitch Diameter
3.1667 inches
Teeth Quantity
57
Hardness Rating
41.0 rockwell c and 45.0 rockwell c
Outside Diameter
3.7493 inches
Teeth Type
Spur
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Face Width
0.7500 inches
Material
Steel
Style Designator
Plain ring
NSN
3020-00-517-7515
Part Number
4277A
Description
Gear,internal
CAGE
93232

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

Part 4277A NSN 3020-00-517-7515

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:
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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