Model: S249

Sprocket Wheel

Properties:

Outside Diameter
5.031 inches
Overall Length
0.875 inches
Keyway Width
0.156 inches
Bore Diameter
1.000 inches
Bore Length
0.719 inches
Distance From Center Of Bore To Bottom Of Keyway
0.580 inches
Pitch Diameter
5.013 inches
Face Width
0.750 inches
Guide
Not included
Design Form
Webbed
Bore Type
Straight
Counterbore Feature
Not included
Keying Facility
Included
Keying Facility Type
Keyway
Lightening Hole
Included
Protruding Hub Characteristic
Plain
Belt/chain/film Size For Which Designed
Silent chain
Teeth Row Quantity
1
Teeth Quantity Per Row
42
Hardness Rating Test Method
Not rated
Bore Bearing
Not included
Hub External Keyway
Not included
Tooth Pitch
0.375 inches
Hub End Outside Diameter And Location
1.922 inches aa end and 1.483 inches bb end
Distance From Outside Flange/rim To Hub End And Location
0.125 inches aa end and 0.156 inches bb end
Material
Iron, cast
Material
Iron cast
Quantity
1
Style Designator
Webbed or spoked
NSN
3020-00-671-0941
Part Number
S249
Description
Sprocket Wheel
CAGE
79820

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 S249 NSN 3020-00-671-0941

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

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:
197339
UFC:
96710
LTL:
65.0
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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