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Safety Relief Valve NSN 4820-01-267-4997

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 4820-01-267-4997 NSN: 4820-01-267-4997

Features and Characteristics

Criticality Code Justification
Zzzy
Reference Number Differentiating Characteristics
Requires special cleaning and packaging iaw mil-c-52211, for oxygen/nitrogen/hydrogen service
FSC
4820 Nonpowered Valves
NIIN
012674997
NSN
4820012674997

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
9955-H-51-M
Cage Code:
15187
Status:
A
MSDS:
Part Number:
9955-H-51-MCP
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 4820-01-267-4997
What are the manufacturers of nsn 4820012674997?
Does this nsn 4820012674997 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012674997
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 4820012674997 contain any precious metals?
No precious metal content.
Does nsn 4820012674997 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012674997?
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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