Pressure And Temper Relief Valve NSN 4820-01-181-3565

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: 4820-01-181-3565

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Features and Characteristics

Body Material

Bronze or copper alloy

Outside Surface Treatment

Bronze

Body Style

Single connection angle flow

Tempurature Rating

210.0 degrees fahrenheit

Media For Which Designed

Water, fresh

First End Connection Type

Threaded external pipe

First End Style Designator

Plain

First End Pipe Size Accommodated

1.315 inches

First End Thread Direction

Right-hand

Second End Relationship With First End

Not identical

Second End Connection Type

Threaded internal pipe

Second End Style Designator

Plain

Second End Pipe Size Accommodated

1.315 inches

Second End Thread Direction

Right-hand

Seat Material

Steel, corrosion resisting, 304, cryolab div of cryenco

Flow Control Device

Ball

Flow Control Device Material

Any acceptable

End Connection Quantity

Bulb Length

4.000 inches

Tempurature Adjustability

Not adjustable

Tempurature Control Device Type

Thermostatic

Special Features

Used on hot water accumulator tank msh 400 on 270 ft. Coast guard vessels

Test Data Document

79227-mil-v-136-12c specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).

FSC

4820 Nonpowered Valves

NIIN

011813565

NSN

4820011813565

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

40XL-4

Cage Code:

79227

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 4820-01-181-3565

What are the manufacturers of nsn 4820011813565?

Watts Regulator Co (79227)

Does this nsn 4820011813565 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820011813565
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 4820011813565 contain any precious metals?
No precious metal content.

Does nsn 4820011813565 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820011813565?
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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