Safety Relief Valve NSN 4820-00-015-2135

Item Description

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

NSN: 4820-00-015-2135

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Related NSN

Major End Items End items to which 4820-00-015-2135 is a component of

12F Starlifter C-141 Aircraft
FHS Aircraft Hydraulic Systems And Components

Features and Characteristics

Thread Class

3a 1st end

Thread Direction

Right-hand 1st end

Flow Control Device

Poppet

Bonnet Type

Inside spring

Bonnet Attachment Method

Pressure seal, ring type

Disk Loading Method

Spring

Valve Discharge Flow Rate

3.5 gallons per minute

Maximum Operating Temp

275.0 degrees fahrenheit single response

Connection Style

Flareless (tube) 1st end

Valve Operation Method

Automatic

Connection Type

Threaded external tube 1st end

Features Provided

Bonnet packing and pressure tight outlet side

Thready Qty Per Inch (tpi)

18 1st end

Maximum Operating Pressure

100.0 pounds per square inch single response

Thread Size

0.562 inches 1st end

Seat Angle

12.0 degrees 1st end

Opening Pressure Setting

31.0 pounds per square inch

Outside Diameter Tube Accommodated

0.375 inches 1st end

Material

Aluminum alloy 2024 and plastic polyamide flow control device

Media For Which Designed

Hydraulic fluid, phosphate-ester base single response

Surface Treatment

Anodize

Surface Treatment Specification

Mil-a-8625, type 2 military specification single treatment response

Style Designator

Err-090

Thread Series Designator

Unf 1st end

FSC

4820 Nonpowered Valves

NIIN

000152135

NSN

4820000152135

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

8LV465

Cage Code:

26044

Status:

MSDS:

Part Number:

3H90017-101

Cage Code:

98897

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 4820-00-015-2135

What are the manufacturers of nsn 4820000152135?

Saf Industries Llc (26044)
Lockheed Martin Corporation (98897)

Does this nsn 4820000152135 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820000152135
A valve designed to automatically release excessive pressures. it is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. it is not designed for regulation of continuously fluctuating loads. it may be inline or cartridge (manifold) design. excludes valve (1), relief, pressure and temperature.

Does nsn 4820000152135 contain any precious metals?
No precious metal content.

Does nsn 4820000152135 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820000152135?
No known electrostatic discharge.

Identification Group

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

INC

FIIG

App. Key

Cond. Code

Status

INC:

05488

FIIG:

A046B0

App. Key:

Cond. Code:

Status:

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Certificate of Conformance
Quality Inspected Parts
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