Model: B19-689

Sprocket Wheel

Properties:

Outside Diameter
4.657 inches
Overall Length
2.000 inches
Keyway Width
0.623 inches
Thread Size
1/2-13
Bore Diameter
Between 1.688 inches and 1.690 inches
Bore Length
2.000 inches
Distance From Center Of Bore To Bottom Of Keyway
Between 1.032 inches and 1.033 inches
Pitch Diameter
4.179 inches
Securing Hole Quantity
2
Furnished Items And Quantity
2 setscrews
Face Width
0.563 inches
Design Form
Plain
Bore Type
Straight
Metallic Hardness Rating And Location
57.000 rockwell c body and 60.000 rockwell c body
Counterbore Feature
Not included
Hole Location
1 hole located on top of keyway 1 hole located 90 degrees cw from keyway
Keying Facility
Included
Keying Facility Type
Keyway
Securing Method
Threaded hole
Lightening Hole
Not included
Protruding Hub Characteristic
Plain
Securing Location
Aa end or bb 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
13
Asa Standard Chain Number
80
Hardness Rating Test Method
Rockwell
Teeth Hardness Rating
Between 7.000 rockwell c and 60.000 rockwell c
Bore Bearing
Not included
Hub External Keyway
Not included
Tooth Pitch
1.000 inches
Distance From Outside Flange/rim To Hub End And Location
1.344 inches aa end and 3.125 inches aa end
Second End Groove Diameter And Location
3.375 inches aa end
Material
Steel
Material
Steel
Quantity
1
Style Designator
Plain
NSN
3020-00-425-0442
Part Number
B19-689
Description
Sprocket Wheel
CAGE
61790

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 B19-689 NSN 3020-00-425-0442

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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