Model: 268 1-4IN

Check Valve

Properties:

Thread Direction
Right-hand all ends
Flow Control Device
Disk
Connection Style
Plain, optional end (pipe) all ends
Valve Operation Method
Manual
Connection Type
Threaded internal pipe all ends
Mounting Position
Horizontal or vertical
Maximum Operating Pressure
125.0 pounds per square inch single response
Thread Size
0.250 inches all ends
Material
Copper alloy
Media For Which Designed
Steam 2nd response
Media For Which Designed
Water-oil-gas 3rd response
Media For Which Designed
Air 1st response
Style Designator
Cross
Thread Series Designator
Npt all ends
NSN
4820-00-459-6290
Part Number
268 1-4IN
Description
Valve,check
CAGE
14959

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 268 1-4IN NSN 4820-00-459-6290

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
594
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8481301090
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of copper having a pressure rating of 850 kpa or over

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