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Safety Relief Valve NSN 4820-01-277-5410

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 4820-01-277-5410 NSN: 4820-01-277-5410

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Features and Characteristics

Flow Control Device
Disk
Disk Loading Method
Spring
Bolt Hole Quantity
4 all ends
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Valve Size
1.000 inches
Adjustable Pressure Range
+48.0/+59.0 pounds per square inch
Outside Diameter
4.250 inches all ends
Thickness
0.375 inches all ends
First Connection Face To Centerline Distance
3.625 inches
Bolt Hole Diameter
0.625 inches all ends
Second Connection Face To Centerline Distance
3.625 inches
Bolt Circle Diameter
3.125 inches all ends
Flange Face Design
Plain all ends
Material
Copper alloy body
Media For Which Designed
Acetylene single response
Style Designator
Err-090
FSC
4820 Nonpowered Valves
NIIN
012775410
NSN
4820012775410

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
N20-M1
Cage Code:
01343
Status:
A
MSDS:
Part Number:
20-M-1-50PSI
Cage Code:
01343
Status:
A
MSDS:
Part Number:
N020-M1
Cage Code:
01343
Status:
A
MSDS:
Part Number:
R10AF2F211
Cage Code:
34889
Status:
A
MSDS:
Part Number:
BASGG05SEE
Cage Code:
5P967
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 4820-01-277-5410
What are the manufacturers of nsn 4820012775410?
Does this nsn 4820012775410 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012775410
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 4820012775410 contain any precious metals?
No precious metal content.
Does nsn 4820012775410 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012775410?
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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