Pressure And Temper Relief Valve NSN 4820-01-317-6865

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: 4820-01-317-6865

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Features and Characteristics

Body Material

Steel, ams 5354

Media For Which Designed

Air

First End Connection Type

Threaded external tube

First End Style Designator

Flared

First End Outside Diameter Tube Accommodated

0.250 inches

First End Thread Class

First End Thread Direction

Right-hand

Second End Relationship With First End

Identical

Seat Material

Steel, ams 5354

First End Seat Angle In Deg

37.0

Flow Control Device

Piston, free type

End Connection Quantity

Tempurature Adjustability

Not adjustable

End Application

Tf30-p103, p107, p109 engines/acft, type f-111/t.O. 6j15-20-3-3

Special Features

Additional flow control device: spring; this item supersedes p/n 538563; consists of: housing p/n 2181683; piston, p/n 2181690; seal ring, p/n 2181696; seat, p/n 2183561; 2 screws, p/n 490160; spring-compres- sion; seat, helical compression spring, p/n 2181695; washer-key, p/n 458024; valve disk, p/n 2181691

FSC

4820 Nonpowered Valves

NIIN

013176865

NSN

4820013176865

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

2183559

Cage Code:

77445

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 4820-01-317-6865

What are the manufacturers of nsn 4820013176865?

United Technologies Corporation (77445)

Does this nsn 4820013176865 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820013176865
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 4820013176865 contain any precious metals?
No precious metal content.

Does nsn 4820013176865 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820013176865?
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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