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Gaseou Pressure Equalizing Valve NSN 4820-01-188-1810

Item Description

A valve consisting of a single deadweight loaded disk, or two deadweight loaded disks each with a seperate seat. It is specifically designed for the relief of small pressure and vacuum conditions within a tank or other container to or from the atmosphere. The center of a single deadweight loaded disk may contain a spring loaded disk forming an additional seat or aperture. It may be spring loaded and/or equipped with a manual unloader on either the pressure or vacuum side. Exclude valve, vacuum breaking.

NSN 4820-01-188-1810 NSN: 4820-01-188-1810

Features and Characteristics

Body Material
Aluminum
Outside Surface Treatment
Anodized
Body Style
Single connection, straight flow
Furnished Items
Nut and gasket and washer
First End Connection Type
Threaded external boss
First End Style Designator
External seat for gasket seal
First End Thread Class
2a
First End Thread Direction
Right-hand
Flow Control Device
Disk, flat
End Connection Quantity
1
Valve Venting Design Type
Atmospheric
FSC
4820 Nonpowered Valves
NIIN
011881810
NSN
4820011881810

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
TA770-25-10-R
Cage Code:
08992
Status:
A
MSDS:
Part Number:
07641-103
Cage Code:
94231
Status:
A
MSDS:
Part Number:
07641
Cage Code:
94231
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8481809050
  • NAICS: 332911
  • SITC: 74780
  • Description: Other taps, cocks, valves, etc., nesoi
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-01-188-1810
What are the manufacturers of nsn 4820011881810?
Does this nsn 4820011881810 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011881810
A valve consisting of a single deadweight loaded disk, or two deadweight loaded disks each with a seperate seat. it is specifically designed for the relief of small pressure and vacuum conditions within a tank or other container to or from the atmosphere. the center of a single deadweight loaded disk may contain a spring loaded disk forming an additional seat or aperture. it may be spring loaded and/or equipped with a manual unloader on either the pressure or vacuum side. exclude valve, vacuum breaking.
Does nsn 4820011881810 contain any precious metals?
No precious metal content.
Does nsn 4820011881810 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011881810?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
10958
FIIG:
A07100
App. Key:
AP
Cond. Code:
1
Status:
A

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  •   Certificate of Conformance
  •   Quality Inspected Parts
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