Pressure And Temper Relief Valve NSN 4820-01-071-4666

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: 4820-01-071-4666

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Features and Characteristics

Body Material

Steel, astm a216, grade wcb

First End Flange Outside Diameter

4.880 inches

Body Style

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

Tempurature Rating

250.0 degrees fahrenheit

Media For Which Designed

Water, fresh

First End Connection Type

Plain face flange

First End Style Designator

Raised

First End Raised Face Height

0.370 inches

First End Raised Face Diameter

2.120 inches

First End Flange Shape Style

Round

First End Flange Thickness

0.690 inches

Second End Relationship With First End

Identical

First Connection Face To Centerline Distance

3.500 inches

Second Connection Face To Centerline Distance

3.750 inches

Flow Control Device

Disk, top guided

End Connection Quantity

Adjustable Pressure Range

+1201.0/+1500.0 pounds per square inch

Valve Discharge Flow Rate

89.0 gallons per minute

Tempurature Adjustability

Not adjustable

Criticality Code Justification

Zzzy

Reference Number Differentiating Characteristics

Quality control in accordance with navships 0948-045-7010 material identification and control instruction for level 1

FSC

4820 Nonpowered Valves

NIIN

010714666

NSN

4820010714666

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

20280AD41SS

Cage Code:

01343

Status:

MSDS:

Part Number:

20280AD41SSL1

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 4820-01-071-4666

What are the manufacturers of nsn 4820010714666?

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

Does this nsn 4820010714666 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820010714666
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 4820010714666 contain any precious metals?
No precious metal content.

Does nsn 4820010714666 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820010714666?
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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