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Rupturable Disk NSN 4820-01-393-7754

Item Description

A thin, circular, metallic or nonmetallic item with a flat or prebulged cross-sectional shape, designed to rupture at a predetermined pressure to prevent damage to hydraulic or pneumatic systems, or the like. It may include multiple pieces, such as a retainer ring, disk and vacuum support. It can be used independently or as a component part of a head, safety, pressure relief. For items furnished with a holder, see head and disk, safety, pressure relief. For items without a rupture pressure rating, see disk, solid, plain. Excludes diaphragm, valve, flat; diaphragm, valve, special shaped; disk, valve; and insulator, disk.

NSN 4820-01-393-7754 NSN: 4820-01-393-7754

Features and Characteristics

Cross-sectional Shape
Concave
Disk Type
Solid
Burst Pressure
2000.0 pressure pounds per square inch gage
Disk Material
Steel comp 316
Burst Temperature
72.0 degrees fahrenheit
Disk Size
0.500 inches
FSC
4820 Nonpowered Valves
NIIN
013937754
NSN
4820013937754

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1/2,P-ST,316SST
Cage Code:
06370
Status:
A
MSDS:
Part Number:
0314956
Cage Code:
B6401
Status:
A
MSDS:
Part Number:
1/2-P-ST2000PSI-72F-316SS
Cage Code:
06370
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8481909090
  • NAICS: 332911
  • SITC: 74790
  • Description: Parts of taps, cocks, valves and similar appliances, nesoi
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-01-393-7754
What are the manufacturers of nsn 4820013937754?
Does this nsn 4820013937754 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820013937754
A thin, circular, metallic or nonmetallic item with a flat or prebulged cross-sectional shape, designed to rupture at a predetermined pressure to prevent damage to hydraulic or pneumatic systems, or the like. it may include multiple pieces, such as a retainer ring, disk and vacuum support. it can be used independently or as a component part of a head, safety, pressure relief. for items furnished with a holder, see head and disk, safety, pressure relief. for items without a rupture pressure rating, see disk, solid, plain. excludes diaphragm, valve, flat; diaphragm, valve, special shaped; disk, valve; and insulator, disk.
Does nsn 4820013937754 contain any precious metals?
No precious metal content.
Does nsn 4820013937754 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820013937754?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
27850
FIIG:
A512V0
App. Key:
Cond. Code:
1
Status:
A

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  •   Quality Inspected Parts
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