Model: 4M1908

Check Valve

Properties:

Flow Control Device
Poppet
Disk Loading Method
Spring
Maximum Operating Temp
135.0 degrees celsius single response
Minimum Operating Temp
-54.0 degrees celsius
Connection Style
Flared (tube) all ends
Valve Operation Method
Automatic
Connection Type
Threaded external tube all ends
Mounting Position
Horizontal or vertical
Maximum Operating Pressure
3000.0 pounds per square inch single response
Material
Aluminum alloy body
Material
Rubber butadiene-acrylonitrile class nbr packing
Material
Stainless steel flow control device
Media For Which Designed
Hydraulic fluid, petroleum base single response
Style Designator
Straight thru
Thread Series Designator
M all ends
NSN
4820-01-475-0649
Part Number
4M1908
Description
Valve,check
CAGE
99240

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 4M1908 NSN 4820-01-475-0649

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: 8481309000
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of materials other than copper, iron or steel

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