Model: 078434

Sprocket Wheel

Properties:

Outside Diameter
19.713 inches
Overall Length
2.500 inches
Keyway Width
0.250 inches
Thread Size
1/4 in.-20
Bore Diameter
Between 1.9355 inches and 1.9375 inches
Bore Length
2.500 inches
Distance From Center Of Bore To Bottom Of Keyway
1.2177 inches
Pitch Diameter
19.419 inches
Securing Hole Quantity
1
Face Width
0.839 inches
Design Form
Webbed
Bore Type
Straight
Counterbore Feature
Not included
Hole Location
On top of key
Keying Facility
Included
Keying Facility Type
Keyway
Securing Method
Threaded 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
2
Center To Center Distance Between Teeth Rows
0.282 inches
Teeth Quantity Per Row
122
Asa Standard Chain Number
40-2
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
3.500 inches aa end
Distance From Outside Flange/rim To Hub End And Location
1.661 inches aa end
Material
Steel
Material
Steel
Quantity
1
Style Designator
Webbed or spoked
NSN
3020-00-294-8149
Part Number
078434
Description
Sprocket Wheel
CAGE
31974

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 078434 NSN 3020-00-294-8149

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

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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