Model: A51P20339-27

Check Valve

Properties:

Flow Control Device
Disk
Disk Loading Method
Spring
Bolt Hole Quantity
6 3rd end
Connection Style
Grooved (tube) 1st end
Connection Style
Grooved (tube) 2nd end
Valve Operation Method
Automatic
Flange Shape
Round with holes 3rd end
Connection Type
Flange 3rd end
Connection Type
Unthreaded external tube 1st end
Connection Type
Unthreaded external tube 2nd end
Mounting Facility
Bracket
Mounting Position
Horizontal or vertical
Outside Diameter
5.280 inches 3rd end
Thickness
0.205 inches 3rd end
Bolt Hole Diameter
0.282 inches 3rd end
Bolt Circle Diameter
4.275 inches 3rd end
Flange Face Design
Plain 3rd end
Outside Diameter Tube Accommodated
3.500 inches 2nd end
Outside Diameter Tube Accommodated
3.500 inches 1st end
Material
Aluminum alloy
Style Designator
Cross
NSN
4820-01-031-3621
Part Number
A51P20339-27
Description
Valve,check
CAGE
61174

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 A51P20339-27 NSN 4820-01-031-3621

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:
051400
UFC:
29700
LTL:
77.5
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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