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Safety Relief Valve NSN 4820-01-470-5738

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 4820-01-470-5738 NSN: 4820-01-470-5738

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Features and Characteristics

Flow Control Device
Disk
Bonnet Type
Inside screw
Disk Loading Method
Spring
Valve Discharge Flow Rate
24.0 gallons per minute
Maximum Operating Temp
180.0 degrees fahrenheit single response
End Application
W/s code "ja" nimitz class cvn
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Valve Size
0.500 inches
Maximum Operating Pressure
400.0 pounds per square inch single response
First Connection Face To Centerline Distance
2.500 inches
Second Connection Face To Centerline Distance
2.500 inches
Material
Copper alloy body
Material Specification
Qq-b-657 federal specification single material response stem
Media For Which Designed
Water, salt 1st response
Style Designator
Err-090
FSC
4820 Nonpowered Valves
NIIN
014705738
NSN
4820014705738

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
LL-2120-C .50IN
Cage Code:
75954
Status:
A
MSDS:
Part Number:
LL-2120-C .50IN 191T255PSI
Cage Code:
15187
Status:
A
MSDS:
Part Number:
CDS-549 ITEM 11
Cage Code:
15187
Status:
A
MSDS:
Part Number:
NMP-1078
Cage Code:
01343
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 4820-01-470-5738
What are the manufacturers of nsn 4820014705738?
Does this nsn 4820014705738 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820014705738
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 4820014705738 contain any precious metals?
No precious metal content.
Does nsn 4820014705738 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820014705738?
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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