Model: 4001-6

Check Valve

Properties:

Pipe Size Accommodated
3.0 inches 1st end
Flow Control Device
Disk
Disk Loading Method
Spring
Bolt Hole Quantity
8 1st end
Maximum Operating Temp
160.0 degrees fahrenheit single response
Minimum Operating Temp
-65.0 degrees fahrenheit
Connection Style
Plain (tube) 1st end
Valve Operation Method
Automatic
Flange Shape
Round with holes 1st end
Connection Type
Flange 1st end
Mounting Facility
Wafer
Valve Size
3.0 inches
Maximum Operating Pressure
8.3 pounds per square inch single response
Outside Diameter
4.31 inches 1st end
Bolt Hole Diameter
0.199 inches 1st end
Bolt Circle Diameter
3.740 inches 1st end
Flange Face Design
Plain 1st end
Part Name Assigned By Controlling Agency
Check valve, 3-inch in-line, single flange mount, air system
Material
Aluminum alloy body
Media For Which Designed
Air single response
Style Designator
Straight through flanged ends
NSN
4820-01-628-5677
Part Number
4001-6
Description
Valve,check
CAGE
34163

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 4001-6 NSN 4820-01-628-5677

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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