Model: 638458

Sprocket Wheel

Properties:

Counterbore Diameter
Between 2.188 inches and 2.190 inches
Counterbore Depth
Between 0.185 inches and 0.190 inches
Outside Diameter
5.780 inches
Overall Length
Between 1.007 inches and 1.013 inches
Bolt Circle Diameter
3.750 inches
Bore Diameter
0.843 inches
Bore Length
0.375 inches
Drilled Hole Diameter
0.422 inches
Pitch Diameter
5.737 inches
Securing Hole Quantity
3
Face Width
Between 0.641 inches and 0.647 inches
Design Form
Webbed
Bore Type
Straight
Metallic Hardness Rating And Location
11.0 rockwell c body
Counterbore Feature
Included
Counterbore Location
Aa end or bb end
Hole Location
Located in hub section of sprocket
Keying Facility
Not included
Securing Method
Drilled hole
Lightening Hole
Included
Protruding Hub Characteristic
Plain
Securing Location
Aa end
Belt/chain/film Size For Which Designed
Roller chain
Roller Chain Pitch Type For Which Designed
Single pitch
Teeth Row Quantity
1
Teeth Quantity Per Row
36
Asa Standard Chain Number
40
Hardness Rating Test Method
Rockwell
Teeth Hardness Rating
Between 11.0 rockwell c and 21.0 rockwell c
Bore Bearing
Not included
Hub External Keyway
Not included
Tooth Pitch
0.500 inches
Hub End Outside Diameter And Location
2.750 inches both ends
Distance From Outside Flange/rim To Hub End And Location
0.366 inches both ends and 0.372 inches both ends
Material
Iron, cast
Material
Iron cast
Style Designator
Webbed or spoked
NSN
3020-00-360-7940
Part Number
638458
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 638458 NSN 3020-00-360-7940

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:
197583
UFC:
96710
LTL:
RATING VARIABLE
LCL:
60.0
WCC:
586
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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