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Safety Relief Valve NSN 4820-00-191-3810

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 4820-00-191-3810 NSN: 4820-00-191-3810

Features and Characteristics

Flow Control Device
Poppet
Disk Loading Method
Spring
Bolt Hole Quantity
2 1st end
Width
1.300 inches 1st end
Length
2.500 inches 1st end
Valve Operation Method
Automatic
Flange Shape
Rectangular with holes 1st end
Connection Type
Flange 1st end
Adjustable Pressure Range
+5.5/+6.5 pounds per square inch
Thickness
0.125 inches 1st end
Bolt Hole Diameter
0.185 inches 1st end
Center To Center Distance Between Bolt Holes Along Length
1.830 inches 1st end
Center To Center Distance Between Bolt Holes Along Width
0.960 inches 1st end
Flange Face Design
Plain 1st end
Special Features
2 mtg slots one end 0.185 in. W, 0.960 in. Apart c-to-c
Material
Stainless steel body
Media For Which Designed
Air single response
Style Designator
Straight through note: to be used for valve bodies of separable sections.
Furnished Items And Quantity
1 cap and 1 spring and 1 washer
FSC
4820 Nonpowered Valves
NIIN
001913810
NSN
4820001913810

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
4001T94G08
Cage Code:
99207
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 4820-00-191-3810
What are the manufacturers of nsn 4820001913810?
Does this nsn 4820001913810 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820001913810
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 4820001913810 contain any precious metals?
No precious metal content.
Does nsn 4820001913810 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820001913810?
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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