Model: 623B

Check Valve

Properties:

Pipe Size Accommodated
4.000 inches 1st end
Flow Control Device
Disk
Disk Loading Method
Weight
Connection Style
Beveled (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Butt weld pipe 1st end
Material
Cobalt seat
Material
Iron cast body
Material
Iron cast flow control device
Style Designator
Straight thru
NSN
4820-00-283-6079
Part Number
623B
Description
Valve,check
CAGE

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 623B NSN 4820-00-283-6079

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

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Schedule B and Export
  • Schedule B: 8481302010
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of iron

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