Model: 638459

Sprocket Wheel

Properties:

Outside Diameter
Between 2.840 inches and 2.844 inches
Overall Length
Between 1.656 inches and 1.661 inches
Keyway Width
Between 0.189 inches and 0.190 inches
Bore Diameter
Between 1.250 inches and 1.251 inches
Bore Length
Between 1.656 inches and 1.661 inches
Distance From Center Of Bore To Bottom Of Keyway
Between 0.724 inches and 0.729 inches
Pitch Diameter
2.879 inches
Face Width
Between 0.641 inches and 0.647 inches
Guide
Not included
Design Form
Plain
Bore Type
Straight
Metallic Hardness Rating And Location
50.0 rockwell c body
Counterbore Feature
Not included
Keying Facility
Included
Keying Facility Type
Keyway
Lightening Hole
Not included
Protruding Hub Characteristic
Plain
Belt/chain/film Size For Which Designed
Silent chain
Teeth Row Quantity
1
Teeth Quantity Per Row
18
Hardness Rating Test Method
Rockwell
Teeth Hardness Rating
50.0 rockwell c
Bore Bearing
Not included
Hub External Keyway
Not included
Tooth Pitch
0.500 inches
Hub End Outside Diameter And Location
2.000 inches both ends
Distance From Outside Flange/rim To Hub End And Location
0.730 inches aa end and 0.735 inches aa end
Material
Steel
Material
Steel
Quantity
1
Style Designator
Plain
NSN
3020-00-354-3774
Part Number
638459
Description
Sprocket Wheel
CAGE
34623

A toothed wheel whose teeth or sprockets are designed to be engaged with the links of a pitch chain, track, or the like. It is usually used for transmitting power.

Part 638459 NSN 3020-00-354-3774

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
04456
FIIG:
T353-C
Concept No.:
App. Key:
CA
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: 8483901000
  • SITC: 74890
  • End Use: Industrial machines, other
  • NAICS: 333613
  • USDA: 1

Freight Class: Chain sprockets and parts thereof

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