Model: NP71270C

Sprocket Wheel

Special Features:

Two holes 1/2 in.-20 thd size located on 5.501 in. Diameter bolt circle

Properties:

Outside Diameter
9.725 inches
Bolt Circle Diameter
5.501 inches
Bore Diameter
Between 4.4995 inches and 4.5005 inches
Bore Length
Between 0.374 inches and 0.376 inches
Drilled Hole Diameter
Between 0.594 inches and 0.625 inches
Pitch Diameter
9.713 inches
Securing Hole Quantity
6 or 2
Face Width
1.750 inches
Guide
Included
Design Form
Webbed
Bore Type
Straight
Groove Quantity
1
Counterbore Feature
Not included
Groove Position
In center
Hole Location
Located on side of sprocket
Guide Type
Groove
Keying Facility
Included
Securing Method
Drilled hole
Lightening Hole
Not included
Securing Location
Aa end or bb end
Belt/chain/film Size For Which Designed
Silent chain
Teeth Row Quantity
1
Teeth Quantity Per Row
61
Hardness Rating Test Method
Rockwell
Teeth Hardness Rating
Between 79.0 rockwell a and 81.0 rockwell a
Bore Bearing
Not included
Tooth Pitch
0.500 inches
Hub End Outside Diameter And Location
7.250 inches aa end
Distance From Outside Flange/rim To Hub End And Location
0.687 inches aa end
Material
Steel, sae 1117
Material
Steel comp 1117
Material Specification
Sae 1117 assn standard single material response
Style Designator
Webbed or spoked
NSN
3020-00-528-6805
Part Number
NP71270C
Description
Sprocket Wheel
CAGE
1ML14

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 NP71270C NSN 3020-00-528-6805

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:
60.0
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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