20RH379

Sprocket Wheel

NSN 3020-00-038-4446

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
UOM:
NIIN:
000384446

Product Features

2 holes drilled between teeth into keyway 1/8 in. Dia, located 5/16 in.From each end; end opposite securing holes countersunk 60 deg, 1/8 in. Deep

Technical Specifications of NSN

Outside Diameter:
Between 3.643 inches and 3.649 inches
Overall Length:
Between 2.432 inches and 2.442 inches
Keyway Width:
Between 0.2515 inches and 0.2545 inches
Thread Size:
3/8 -16
Bore Diameter:
Between 1.249 inches and 1.250 inches
Bore Length:
Between 2.432 inches and 2.442 inches
Distance From Center Of Bore To Bottom Of Keyway:
Between 0.765 inches and 0.770 inches
Pitch Diameter:
Between 3.662 inches and 3.682 inches
Securing Hole Quantity:
2
Furnished Items And Quantity:
Nonenone
Face Width:
Between 2.412 inches and 2.422 inches
Guide:
Not included
Design Form:
Plain
Bore Type:
Straight
Metallic Hardness Rating And Location:
45.0 rockwell c body and 52.0 rockwell c body
Counterbore Feature:
Not included
Hole Location:
Located 90 degrees each side of keyway
Keying Facility:
Included
Keying Facility Type:
Keyway
Securing Method:
Threaded hole
Lightening Hole:
Not included
Protruding Hub Characteristic:
Plain
Securing Location:
Aa end
Belt/chain/film Size For Which Designed:
Silent chain
Teeth Row Quantity:
1
Teeth Quantity Per Row:
23
Hardness Rating Test Method:
Rockwell
Teeth Hardness Rating:
Between 45.0 rockwell c and 52.0 rockwell c
Bore Bearing:
Not included
Hub External Keyway:
Not included
Tooth Pitch:
0.500 inches
Hub End Outside Diameter And Location:
2.9375 inches both ends
Distance From Outside Flange/rim To Hub End And Location:
0.007 inches both ends and 0.013 inches both ends
Material:
Steel, qq-s-633, fs1020-canceled
Material:
Steel comp 1020
Material Specification:
Qq-s-633, fs1020-canceled federal specification single material response
Quantity:
1
Style Designator:
Plain
NSN:
3020-00-038-4446
Item Name:
Pulley,belt,positive Drive
Cage Code:
14351

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
240830001
Cage Code:
63734
RNCC:
5
RNVC:
9
RNAAC:
XX
Status:
A
MSDS:
SADC:

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
04456
FIIG:
T353-C
Concept No.:
App. Key:
CA
Cond. Code:
1
Status:
A

Part Materials

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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Pricing & Availability

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Privacy | Terms

Definition Definition of approved item name (AIN): "Positive Drive Belt Pulley"

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.

MOE Major Organizational Entities

Entity
DSOR
User:
AUSTRIA Austria
DSOR:
User:
GREECE Greece
DSOR:
Import / Export
  • Schedule B: 8483901000
  • SITC: 74890
  • End Use: Industrial machines, other
  • NAICS: 333613
  • USDA: 1

Classification: Chain sprockets and parts thereof


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