Model: S4221LE

Check Valve

Properties:

Thread Direction
Right-hand 2nd end
Thread Direction
Right-hand 1st end
Flow Control Device
Disk
Bonnet Type
Inside screw
Connection Style
Plain (pipe) 2nd end
Connection Style
Plain, optional end (pipe) 1st end
Connection Type
Threaded external pipe 2nd end
Connection Type
Threaded internal pipe 1st end
Thread Size
1.250 inches 2nd end
Thread Size
1.000 inches 1st end
Material
Plastic acetal packing
Media For Which Designed
Water, fresh 1st response
Media For Which Designed
Water, salt 2nd response
Style Designator
Straight thru
Thread Series Designator
Npt 2nd end
Thread Series Designator
Npt 1st end
NSN
4820-01-521-6852
Part Number
S4221LE
Description
Valve,check
CAGE
53843

Part S4221LE NSN 4820-01-521-6852

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05487
FIIG:
A530B0
Concept No.:
1
App. Key:
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:
A
ESD:
A
ESD:
A
MMAC:
CRITL:
X

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