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Safety Relief Valve NSN 4820-01-415-4911

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 4820-01-415-4911 NSN: 4820-01-415-4911

Features and Characteristics

Thread Class
2a all ends
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Disk Loading Method
Spring
End Application
Nimitz class cvn
Connection Style
G46a plain (tube) all ends
Valve Operation Method
Automatic
Connection Type
Threaded external tube all ends
Thready Qty Per Inch (tpi)
12 all ends
Thread Size
1.750 inches all ends
Opening Pressure Setting
3850.0 pounds per square inch
Special Features
Valve does not include union nuts and tailpcs but is designed to mate with 1/2 in. Union fittings
Material
Steel comp 630 flow control device
Media For Which Designed
Nitrogen, gaseous single response
Style Designator
Err-090
Thread Series Designator
Un all ends
FSC
4820 Nonpowered Valves
NIIN
014154911
NSN
4820014154911

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
PLC-11708 CDS-C
Cage Code:
99565
Status:
A
MSDS:
Part Number:
PLC-11708 CDA-11716
Cage Code:
99565
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 4820-01-415-4911
What are the manufacturers of nsn 4820014154911?
Does this nsn 4820014154911 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820014154911
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 4820014154911 contain any precious metals?
No precious metal content.
Does nsn 4820014154911 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820014154911?
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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