Model: C20B

Check Valve

Properties:

Thread Direction
Right-hand all ends
Connection Style
Inverted flare (pipe) 2nd end
Valve Operation Method
Manual
Connection Type
Threaded external pipe all ends
Thread Size
1.8 inches all ends
Seat Angle
2.0 degrees all ends
Material
Steel body
Style Designator
Straight thru
Thread Series Designator
Nptf all ends
NSN
4820-01-650-5477
Part Number
C20B
Description
Valve,check
CAGE
92029

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 C20B NSN 4820-01-650-5477

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:

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Schedule B and Export
  • Schedule B: 8481302090
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of steel

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