Pressure And Temper Relief Valve NSN 4820-01-226-8425

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: 4820-01-226-8425

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Features and Characteristics

Body Material

Aluminum alloy

Outside Surface Treatment

Anodized, mil-a-8625

Body Style

Tee give "adqm" "adqn" and "adqp" only if flanged all ends

Media For Which Designed

Hydraulic fluid, phosphate-ester base

First End Connection Type

Threaded internal tube

First End Style Designator

Gasket seal

First End Outside Diameter Tube Accommodated

0.375 inches

First End Thread Class

First End Thread Direction

Right-hand

Second End Relationship With First End

Identical

Third End Relationship With Preceding Ends

Identical with first end

Seat Material

Steel, federal standard 66, aisi 416/sae 51416

First End Seat Angle In Deg

45.0

Center To Center Distance

0.900 inches

Flow Control Device

Ball

Flow Control Device Material

Steel, aisi 440c

End Connection Quantity

Valve Discharge Flow Rate

1.2 gallons per minute

Tempurature Adjustability

Not adjustable

Tempurature Control Device Type

Fusible

FSC

4820 Nonpowered Valves

NIIN

012268425

NSN

4820012268425

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

3A012-6

Cage Code:

98391

Status:

MSDS:

Part Number:

A02HS132-6

Cage Code:

77272

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 4820-01-226-8425

What are the manufacturers of nsn 4820012268425?

Arkwin Industries, Inc. (98391)
The Boeing Company (77272)

Does this nsn 4820012268425 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820012268425
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 4820012268425 contain any precious metals?
No precious metal content.

Does nsn 4820012268425 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820012268425?
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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