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Safety Relief Valve NSN 4820-01-381-0457

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 4820-01-381-0457 NSN: 4820-01-381-0457

Features and Characteristics

Pipe Size Accommodated
0.250 inches all ends
Flow Control Device
Disk
Disk Loading Method
Spring
Connection Style
Socket err-100
Valve Operation Method
Automatic
Connection Type
Unthreaded internal pipe all ends
Criticality Code Justification
Zzzy
Special Features
Same as valve 211069770 less end connections
Material
Stainless steel body
Material Specification
Qq-n-281 federal specification single material response flow control device
Furnished Items And Quantity
1 wrench and 2 tailpiece
Reference Number Differentiating Characteristics
Material controlled iaw navsea 0948-lp-045-7010 material control standard for level i items
FSC
4820 Nonpowered Valves
NIIN
013810457
NSN
4820013810457

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
SW134A01E3350
Cage Code:
01343
Status:
A
MSDS:
Part Number:
SW134A01E3350L1
Cage Code:
03950
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 4820-01-381-0457
What are the manufacturers of nsn 4820013810457?
Does this nsn 4820013810457 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820013810457
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 4820013810457 contain any precious metals?
No precious metal content.
Does nsn 4820013810457 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820013810457?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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