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Oxygen Syste Safety Relief Valve NSN 4820-01-398-9848

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 or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It is specifically designed and/or cleaned for oxygen systems. See valve, safety relief.

NSN 4820-01-398-9848 NSN: 4820-01-398-9848

Features and Characteristics

Pipe Size Accommodated
0.500 inches all ends
Flow Control Device
Disk
Disk Loading Method
Spring
Maximum Operating Temp
150.0 degrees fahrenheit single response
Valve Operation Method
Manual or automatic
Adjustable Pressure Range
+1101.0/+1400.0 pounds per square inch
Criticality Code Justification
Zzzw
Material
Bronze body
Nondefinitive Specification/std Data
A type and c class
Departure From Cited Document
Cleaned in accordance with mil-i-52211
FSC
4820 Nonpowered Valves
NIIN
013989848
NSN
4820013989848

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
E8612 14F51M
Cage Code:
15187
Status:
A
MSDS:
Part Number:
MIL-V-22549
Cage Code:
81349
Status:
A
MSDS:
Part Number:
E8612 14F51MCP
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 4820-01-398-9848
What are the manufacturers of nsn 4820013989848?
Does this nsn 4820013989848 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820013989848
A valve designed to automatically release excessive pressures. it is actuated by static pressure upstream of the valve and is used as a safety or relief valve, and may be set to close at a predetermined pressure. it is not designed for regulation of continuously fluctuating loads. it is specifically designed and/or cleaned for oxygen systems. see valve, safety relief.
Does nsn 4820013989848 contain any precious metals?
No precious metal content.
Does nsn 4820013989848 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820013989848?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
37941
FIIG:
A046B0
App. Key:
AP
Cond. Code:
2
Status:
A

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