Model: 1908B-18

Check Valve

Properties:

Thread Class
2b all ends
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Maximum Operating Temp
300.0 degrees fahrenheit single response
End Application
1730-01-272-4402
Connection Style
Flare (tube) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal tube all ends
Mounting Position
Horizontal or vertical
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.500 inches all ends
Outside Diameter Tube Accommodated
0.500 inches all ends
Material
Copper alloy body
Media For Which Designed
Water, fresh 3rd response
Media For Which Designed
Air 2nd response
Media For Which Designed
Fuel/oil, hydrocarbon 1st response
Style Designator
Straight thru
Thread Series Designator
Unf all ends
NSN
4820-01-397-8589
Part Number
1908B-18
Description
Valve,check
CAGE
96948

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 1908B-18 NSN 4820-01-397-8589

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:
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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