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Stop-check Valve NSN 4820-01-250-8004

Item Description

A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also valve (1), lift-check and valve (1), stop-lift-check.

NSN 4820-01-250-8004 NSN: 4820-01-250-8004

Features and Characteristics

Flow Control Device
Disk
Bolt Hole Quantity
8 all ends
Valve Operation Method
Manual
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Valve Size
3.000 inches
Criticality Code Justification
Zzzy
Outside Diameter
6.625 inches all ends
Face To Face Distance
10.000 inches
Thickness
0.500 inches all ends
Bolt Hole Diameter
0.562 inches all ends
Bolt Circle Diameter
5.500 inches all ends
Material
Copper alloy
Material Specification
Qq-n-288 federal specification single material response
Style Designator
Straight through flanged ends
Reference Number Differentiating Characteristics
Material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications
FSC
4820 Nonpowered Valves
NIIN
012508004
NSN
4820012508004

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
803-1385541-033
Cage Code:
80064
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 4820-01-250-8004
What are the manufacturers of nsn 4820012508004?
Does this nsn 4820012508004 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012508004
A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. in the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. in the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. the valve disk may be spring loaded. it may be inline or cartridge (manifold) design. see also valve (1), lift-check and valve (1), stop-lift-check.
Does nsn 4820012508004 contain any precious metals?
No precious metal content.
Does nsn 4820012508004 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012508004?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
05486
FIIG:
A530B0
App. Key:
Cond. Code:
2
Status:
A

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  •   Certificate of Conformance
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