Model: EM5-21

Sprocket Wheel

Properties:

Outside Diameter
1.042 inches
Overall Length
0.375 inches
Thread Size
6-32
Bore Diameter
0.250 inches
Bore Length
0.375 inches
Pitch Diameter
0.990 inches
Securing Hole Quantity
1
Furnished Items And Quantity
Setscrew, one
Taper Bore Major Diameter
Between 0.2498 inches and 0.2503 inches
Face Width
0.125 inches
Design Form
Plain
Bore Type
Straight
Counterbore Feature
Not included
Hole Location
One located on hub between hub end and face
Keying Facility
Not included
Securing Method
Threaded hole
Lightening Hole
Not included
Protruding Hub Characteristic
Plain
Securing 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
21
Hardness Rating Test Method
Not rated
Bore Bearing
Not included
Hub External Keyway
Not included
Tooth Pitch
0.148 inches
Hub End Outside Diameter And Location
0.500 inches both ends
Distance From Outside Flange/rim To Hub End And Location
0.250 inches both ends
Material
Steel, qq-s-764, type 303, cond a-canceled
Material
Steel comp 303
Material Specification
Qq-s-764, type 303, cond a-canceled federal specification single material response
Surface Treatment
Passivate
Style Designator
Plain
Surface Treatment
Passivated
NSN
3020-00-937-9908
Part Number
EM5-21
Description
Sprocket Wheel
CAGE
00141

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 EM5-21 NSN 3020-00-937-9908

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

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:
E
LVL_B:
Q

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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