Model: 6253F6S

Check Valve

Properties:

Pipe Size Accommodated
0.375 inches 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
End Application
Generator, hydrogen, electrolytic, stuart m-28
Connection Style
Plain, optional end (pipe) 1st end
Connection Type
Threaded internal pipe 1st end
Mounting Position
Horizontal or vertical
Thready Qty Per Inch (tpi)
18 1st end
Maximum Operating Pressure
6000.0 pounds per square inch single response
Thread Size
0.375 inches 1st end
Material
Stainless steel body
Material
Steel flow control device
Material
Steel seat
Material Specification
66 federal standard single material response seat and aisi 303/sae 30303 assn standard single material response seat
Material Specification
66 federal standard single material response flow control device and aisi 303/sae 30303 assn standard single material response flow control device
Media For Which Designed
Water-oil-gas single response
Style Designator
Straight thru
Thread Series Designator
Npt 1st end
NSN
4820-00-200-1325
Part Number
6253F6S
Description
Valve,check
CAGE
28968

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

Part 6253F6S NSN 4820-00-200-1325

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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Schedule B and Export
  • Schedule B: 8481302090
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of steel

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