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Safety Relief Valve NSN 4820-01-296-4921

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 4820-01-296-4921 NSN: 4820-01-296-4921

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Features and Characteristics

Thread Direction
Right-hand all ends
Valve Operation Method
Automatic
Adjustable Pressure Range
+1500.0/+3000.0 pounds per square inch
Thread Size
0.750 inches all ends
Special Features
Included in this item are 1 plug 44300-586, 1 retainer 44300-585.Torqueplug to 75 plus/minus 5 in. Lbs; retestvalve assembly 44300-587 to proof pressureof 4500 plus/minus 50 psi.Check plug and retainer for pressure retension
Supplementary Features
Applicable on peacekeeper transp ortation and handling
Thread Series Designator
Npt all ends
FSC
4820 Nonpowered Valves
NIIN
012964921
NSN
4820012964921

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
44300-587
Cage Code:
00462
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 4820-01-296-4921
What are the manufacturers of nsn 4820012964921?
Does this nsn 4820012964921 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012964921
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 4820012964921 contain any precious metals?
No precious metal content.
Does nsn 4820012964921 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012964921?
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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