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Pressure Relief Safety Head NSN 4820-01-420-9066

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 4820-01-420-9066 NSN: 4820-01-420-9066

Features and Characteristics

Head Type
Screw
Head Size
0.500 inches
Burst Pressure
150.0 pressure pounds per square inch absolute
Head Material
Aluminum alloy and copper alloy
Special Features
Inlet connection thd external pipe 0.500 in npt; outlet connection thd internal pipe 0.500 in npt
FSC
4820 Nonpowered Valves
NIIN
014209066
NSN
4820014209066

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
5526-150
Cage Code:
28193
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 4820-01-420-9066
What are the manufacturers of nsn 4820014209066?
Does this nsn 4820014209066 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820014209066
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 4820014209066 contain any precious metals?
No precious metal content.
Does nsn 4820014209066 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820014209066?
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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