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Pressure Relief Safety Head NSN 4820-01-256-9880

Item Description

An item of varying shape and size consisting of a metallic body which incloses a nonreusable metallic or nonmetallic disk(s), which is designed and calibrated to burst at a given pressure. It may be used independently, or in conjunction with relief valves to relieve overpressure, and to protect relief valve(s) from corrosive conditions. Excludes valve, safety relief and plug, fusible. for items furnished with a disk, see head and disk, safety, pressure relier.

NSN 4820-01-256-9880 NSN: 4820-01-256-9880

Features and Characteristics

FSC
4820 Nonpowered Valves
NIIN
012569880
NSN
4820012569880

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MRK-3"-600LBANSI-ASSYGI-304SST
Cage Code:
06370
Status:
A
MSDS:
Part Number:
D4020
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 4820-01-256-9880
What are the manufacturers of nsn 4820012569880?
Does this nsn 4820012569880 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012569880
An item of varying shape and size consisting of a metallic body which incloses a nonreusable metallic or nonmetallic disk(s), which is designed and calibrated to burst at a given pressure. it may be used independently, or in conjunction with relief valves to relieve overpressure, and to protect relief valve(s) from corrosive conditions. excludes valve, safety relief and plug, fusible. for items furnished with a disk, see head and disk, safety, pressure relier.
Does nsn 4820012569880 contain any precious metals?
No precious metal content.
Does nsn 4820012569880 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012569880?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
28139
FIIG:
A512U0
App. Key:
Cond. Code:
1
Status:
A

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