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Safety Relief Valve NSN 4820-00-653-9602

Item Description

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

NSN 4820-00-653-9602 NSN: 4820-00-653-9602

Features and Characteristics

Flow Control Device
Poppet
Disk Loading Method
Spring
Bolt Hole Quantity
4 1st end
Width
2.500 inches 1st end
Length
3.000 inches 1st end
Valve Operation Method
Automatic
Flange Shape
Rectangular with holes 1st end
Connection Type
Flange 1st end
Thickness
0.250 inches 1st end
Bolt Hole Diameter
0.375 inches 1st end
Center To Center Distance Between Bolt Holes Along Length
2.250 inches 1st end
Center To Center Distance Between Bolt Holes Along Width
1.750 inches 1st end
Flange Face Design
Plain 1st end
Material
Steel seat
Style Designator
Angle
FSC
4820 Nonpowered Valves
NIIN
006539602
NSN
4820006539602

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
16600406
Cage Code:
82796
Status:
A
MSDS:
Part Number:
2490ADHAC
Cage Code:
82796
Status:
A
MSDS:
Part Number:
A2490ADH3
Cage Code:
82796
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8481400000
  • NAICS: 332911
  • SITC: 74740
  • Description: Safety or relief valves
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-00-653-9602
What are the manufacturers of nsn 4820006539602?
Does this nsn 4820006539602 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820006539602
A valve designed to automatically release excessive pressures. it is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. it is not designed for regulation of continuously fluctuating loads. it may be inline or cartridge (manifold) design. excludes valve (1), relief, pressure and temperature.
Does nsn 4820006539602 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820006539602 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820006539602?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
05488
FIIG:
A046B0
App. Key:
AP
Cond. Code:
1
Status:
A

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  •   Certificate of Conformance
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