Model: 3021137-1

Sprocket Wheel

Properties:

Outside Diameter
3.979 inches
Overall Length
1.250 inches
Keyway Width
Between 0.500 inches and 0.502 inches
Bore Diameter
1.750 inches
Bore Length
1.250 inches
Distance From Center Of Bore To Bottom Of Keyway
1.111 inches
Pitch Diameter
3.607 inches
Face Width
0.459 inches
Design Form
Plain
Bore Type
Straight
Metallic Hardness Rating And Location
25.0 rockwell c body and 30.0 rockwell c body
Counterbore Feature
Not included
Keying Facility
Included
Keying Facility Type
Keyway
Securing Method
Key
Lightening Hole
Not included
Protruding Hub Characteristic
Grooved
Groove/step Location
Aa end
Securing Location
Both ends
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
15
Asa Standard Chain Number
60
Hardness Rating Test Method
Rockwell
Teeth Hardness Rating
Between 25.0 rockwell c and 30.0 rockwell c
Bore Bearing
Not included
Hub External Keyway
Not included
Tooth Pitch
0.750 inches
First End Groove Diameter And Location
2.125 inches aa end
First End Groove Width And Location
0.290 inches aa end
First End Length From Groove To End And Location
0.300 inches aa end
Hub End Outside Diameter And Location
2.750 inches aa end
Distance From Outside Flange/rim To Hub End And Location
0.791 inches aa end
Material
Steel, sae 4140
Material
Steel comp 4140
Material Specification
Sae 4140 assn standard single material response
Quantity
1
Surface Treatment
Phosphate
Style Designator
Plain
Surface Treatment
Phosphate, mil-p-16232 type z class 4e and lubricant, solid film, mil-l-8937 form b
NSN
3020-01-026-4021
Part Number
3021137-1
Description
Sprocket Wheel
CAGE
10001

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 3021137-1 NSN 3020-01-026-4021

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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