Pressure And Temper Relief Valve NSN 4820-01-312-8198

Item Description

A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also valve, safety relief and valve, regulating. Temperature.

NSN: 4820-01-312-8198

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Features and Characteristics

Body Material

Nickel copper alloy, qq-n-288, comp a

Body Style

Angle give "adqm" and "adqn" only if flanged one or two ends

Stem Material

Nickel copper alloy, qq-n-286, class a or nickel copper alloy, qq-n-286, class b

Tempurature Rating

165.0 degrees fahrenheit

Seat Material

Nickel copper alloy, qq-n-288, comp a

First Connection Face To Centerline Distance

6.938 inches

Second Connection Face To Centerline Distance

6.438 inches

Flow Control Device Material

Nickel copper alloy, qq-n-286, class a or nickel copper alloy, qq-n-286, class b

Adjustable Pressure Range

+501.0/+600.0 pounds per square inch

Tempurature Adjustability

Not adjustable

Criticality Code Justification

Zzzy

Fsc Application Data

Valve safety relief

Reference Number Differentiating Characteristics

Quality control iaw navships 0948-045-7010 material identification and control instruction for level 1 items

FSC

4820 Nonpowered Valves

NIIN

013128198

NSN

4820013128198

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

20256Z51M

Cage Code:

01343

Status:

MSDS:

Part Number:

20256

Cage Code:

01343

Status:

MSDS:

Part Number:

20256L1

Cage Code:

03950

Status:

MSDS:

Part Number:

20256Z51ML1

Cage Code:

03950

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 8481400000
NAICS: 332911
SITC: 74740
Description: Safety or relief valves
End Use (Code 21180):
Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-01-312-8198

What are the manufacturers of nsn 4820013128198?

Anderson Greenwood Lp (01343)
Naval Inventory Control Point (03950)

Does this nsn 4820013128198 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820013128198
A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. thermostatically operated valves close when the pressure is relieved or the temperature is reduced. fusible plug valves require replacement of the plug. see also valve, safety relief and valve, regulating. temperature.

Does nsn 4820013128198 contain any precious metals?
No precious metal content.

Does nsn 4820013128198 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820013128198?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

16996

FIIG:

A07100

App. Key:

Cond. Code:

Status:

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Certificate of Conformance
Quality Inspected Parts
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