Model: 78

Sprocket Wheel

Properties:

Outside Diameter
4.773 inches
Overall Length
1.750 inches
Keyway Width
0.250 inches
Thread Size
1/4-20
Bore Diameter
Between 1.000 inches and 1.005 inches
Bore Length
1.750 inches
Distance From Center Of Bore To Bottom Of Keyway
0.625 inches
Pitch Diameter
4.773 inches
Securing Hole Quantity
2
Face Width
1.250 inches
Guide
Included
Design Form
Plain
Bore Type
Straight
Groove Quantity
1
Counterbore Feature
Not included
Groove Position
Located in center
Hole Location
On keyway and 90 degrees from keyway
Guide Type
Groove
Keying Facility
Included
Keying Facility Type
Keyway
Securing Method
Threaded hole
Lightening Hole
Not included
Protruding Hub Characteristic
Plain
Securing Location
Aa end
Belt/chain/film Size For Which Designed
Silent chain
Teeth Row Quantity
1
Teeth Quantity Per Row
30
Hardness Rating Test Method
Not rated
Bore Bearing
Not included
Hub External Keyway
Not included
Tooth Pitch
0.500 inches
Hub End Outside Diameter And Location
3.375 inches aa end
Distance From Outside Flange/rim To Hub End And Location
0.500 inches aa end
Material
Steel
Material
Steel
Quantity
1
Style Designator
Plain
NSN
3020-00-517-2393
Part Number
78
Description
Sprocket Wheel
CAGE
34712

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 78 NSN 3020-00-517-2393

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
117020
UFC:
59820
LTL:
60.0
LCL:
--
WCC:
593
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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