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Rupturable Disk NSN 4820-00-672-8956

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 4820-00-672-8956 NSN: 4820-00-672-8956

Features and Characteristics

Cross-sectional Shape
Flat
Burst Pressure
3800.0 pressure pounds per square inch gage
Disk Material
Copper alloy
Disk Size
0.565 inches
Special Features
Thickness: 0.008 in.Nom
FSC
4820 Nonpowered Valves
NIIN
006728956
NSN
4820006728956

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
63C78-2
Cage Code:
72914
Status:
A
MSDS:
Part Number:
3800
Cage Code:
09785
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 4820-00-672-8956
What are the manufacturers of nsn 4820006728956?
Does this nsn 4820006728956 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820006728956
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 4820006728956 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820006728956 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820006728956?
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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