Model: 71657-1

Sprocket Wheel

Special Features:

First end hub includes roller chain relief groove

Properties:

Outside Diameter
0.668 inches
Overall Length
0.234 inches
Bore Diameter
0.188 inches
Bore Length
0.234 inches
Pitch Diameter
0.616 inches
Face Width
0.062 inches
Design Form
Plain
Bore Type
Straight
Counterbore Feature
Not included
Lubrication Mode
No visible means
Keying Facility
Not included
Lightening Hole
Not included
Protruding Hub Characteristic
Stepped
Groove/step Location
Aa 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
Hardness Rating Test Method
Not rated
Bore Bearing
Included
Hub External Keyway
Not included
Tooth Pitch
0.148 inches
Hub End Outside Diameter And Location
0.412 inches bb end
Distance From Outside Flange/rim To Hub End And Location
0.032 inches bb end
First Step Face Largest Diameter And Location
0.500 inches aa end
First Step Length And Location
0.032 inches aa end
Second Step Length And Location
0.109 inches aa end
Hub End Outside Diameter And Location
0.375 inches aa end
Distance From Outside Flange/rim To Hub End And Location
0.141 inches aa end
Material
Brass and steel, corrosion resisting
Material
Copper alloy and stainless steel
Surface Treatment
Passivate
Style Designator
Plain
Surface Treatment
Passivated
NSN
3020-00-825-0614
Part Number
71657-1
Description
Sprocket Wheel
CAGE
82340

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 71657-1 NSN 3020-00-825-0614

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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