Model: 1551AS114

Check Valve

Special Features:

Requires special cleaning and packaging for oxygen/nitrogen service

Properties:

Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Maximum Operating Temp
125.0 degrees fahrenheit single response
Minimum Operating Temp
-30.0 degrees fahrenheit
End Application
General purpose valves
Connection Style
Plain (pipe) 1st end
Connection Style
Plain, optional end (pipe) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded external pipe 1st end
Connection Type
Threaded internal pipe 2nd end
Mounting Position
Horizontal or vertical
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.250 inches all ends
Criticality Code Justification
Feat
Material
Steel comp 316 body
Style Designator
Straight thru
Thread Series Designator
Npt all ends
NSN
4820-01-310-1347
Part Number
1551AS114
Description
Valve,check
CAGE
03950

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 1551AS114 NSN 4820-01-310-1347

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:
ESD:
MMAC:
CRITL:
Y

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
LCL:
77.5
WCC:
594
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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