Model: 493CS

Stop Diaphragm Valve

Properties:

Bonnet Type
Inside screw
Bonnet Attachment Method
Threaded
Maximum Operating Temp
450.0 degrees fahrenheit single response
Connection Style
Socket (tube) all ends
Valve Operation Method
Manual
Connection Type
Unthreaded internal tube all ends
Maximum Operating Pressure
300.0 pounds per square inch single response
Outside Diameter Tube Accommodated
0.250 inches all ends
Material
Copper alloy stem
Material
Copper alloy body
Material
Plastic polytetrafluoroethylene flow control device
Reference Number Differentiating Characteristics
Size 1/4 in.
NSN
4820-00-952-8140
Part Number
493CS
Description
Valve,diaphragm,stop
CAGE
30327

A valve designed specifically so the diaphragm seals the flow stream from the valve operating mechanism. The flow is controlled by the lifting of the diaphragm from or compressing it against an integral seat. For packless diaphragm valves which utilize a diaphragm as packing and a disk to control the flow, see valve, y.

Part 493CS NSN 4820-00-952-8140

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
13619
FIIG:
A046B0
Concept No.:
1
App. Key:
AC
Cond. Code:
2
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

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Schedule B and Export
  • Schedule B: 8481809050
  • SITC: 74780
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Other taps, cocks, valves, etc., nesoi

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