Safety Relief Valve NSN 4820-01-451-3758

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: 4820-01-451-3758

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Features and Characteristics

Thread Class

2a 1st end

Thread Direction

Right-hand 1st end

Disk Loading Method

Spring

Maximum Operating Temp

400.0 degrees fahrenheit single response

Minimum Operating Temp

-20.0 degrees fahrenheit

End Application

Seal delivery vehicle

Connection Style

G46a plain (tube) 1st end

Valve Operation Method

Automatic

Connection Type

Threaded external tube 1st end

Maximum Operating Pressure

200.0 pounds per square inch single response

Thread Size

0.438 inches 1st end

Criticality Code Justification

Zzzy

Opening Pressure Setting

2.0 pounds per square inch

Special Features

Altered item; p/n 7005617-1 is altered from p/n 532-t1-4d-2

Material

Steel comp 316 body

Media For Which Designed

Oil, lubricating, diester base 2nd response

Style Designator

Err-090

Thread Series Designator

Unf 1st end

Reference Number Differentiating Characteristics

Material controlled iaw ss800-ag-man-010/p9290 system certification procedures and criteria manual for deep submergence systems and requires cleaning, packing, and marking iaw mil-std-1622 or mil-std-1330 as deemed applicable; critical item for safety and survival of deep submergence research and rescue vehicals as differentiated by special test features

FSC

4820 Nonpowered Valves

NIIN

014513758

NSN

4820014513758

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

7005617-1

Cage Code:

53711

Status:

MSDS:

Part Number:

532-T1-4D-2

Cage Code:

91816

Status:

MSDS:

Part Number:

7005617

Cage Code:

53711

Status:

MSDS:

Part Number:

532-T1-4D-2D1

Cage Code:

03950

Status:

MSDS:

Part Number:

7005617-1D1

Cage Code:

03950

Status:

MSDS:

Part Number:

7005617D1

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 4820-01-451-3758

What are the manufacturers of nsn 4820014513758?

Does this nsn 4820014513758 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820014513758
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 4820014513758 contain any precious metals?
No precious metal content.

Does nsn 4820014513758 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820014513758?
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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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
Quality Fast Service