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Safety Relief Valve NSN 4820-01-656-6979

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 4820-01-656-6979 NSN: 4820-01-656-6979

Features and Characteristics

Criticality Code Justification
Zzzy
Reference Number Differentiating Characteristics
Cleaning, packaging, and marking iaw mil-std-1330d
FSC
4820 Nonpowered Valves
NIIN
016566979
NSN
4820016566979

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
158 PL5054C OXYGEN CLEAN
Cage Code:
99565
Status:
A
MSDS:
Part Number:
158 PL5054C CP
Cage Code:
99565
Status:
A
MSDS:
Part Number:
158 PL5054C OXYGEN CLEANCP
Cage Code:
03950
Status:
A
MSDS:
Part Number:
158 PL5054C CPCP
Cage Code:
03950
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 4820-01-656-6979
What are the manufacturers of nsn 4820016566979?
Does this nsn 4820016566979 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820016566979
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 4820016566979 contain any precious metals?
Precious metals vary between manufacturers.
Does nsn 4820016566979 contain any hazardous materials?
Hazardous material unknown.
What is the ESD classification of nsn 4820016566979?
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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