Safety Relief Valve NSN 4820-01-526-8458

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: 4820-01-526-8458

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Features and Characteristics

Flow Control Device

Disk

Bonnet Type

Outside screw-yoke

Bonnet Attachment Method

Bolted

Disk Loading Method

Spring

Renewable Seat Ring Type

Bolted

Maximum Operating Temp

150.0 degrees fahrenheit single response

Connection Style

Socket with brazing ring (tube) err-100

Valve Operation Method

Automatic or manual

Connection Type

Unthreaded internal tube all ends

Adjustable Pressure Range

+20.0/+24.0 pounds per square inch

Maximum Operating Pressure

400.0 pounds per square inch single response

Outside Diameter Tube Accommodated

0.250 inches all ends

Part Name Assigned By Controlling Agency

1/4" relief valve type 1741-t

Material

Plastic polytetrafluoroethylene seat

Material Specification

Astm b-61 assn standard all material responses body

Media For Which Designed

Liquid single response

Style Designator

Err-090

Furnished Items And Quantity

1 lever and 1 plugged drain and 2 tailpiece and 2 nut

Specification Data

81349 - mil-v-24332 government specification

Nondefinitive Specification/std Data

B grade

FSC

4820 Nonpowered Valves

NIIN

015268458

NSN

4820015268458

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

MIL-V-24332

Cage Code:

81349

Status:

MSDS:

Part Number:

20194DM41M

Cage Code:

15187

Status:

MSDS:

Part Number:

20194 ASSY 20194DM41M

Cage Code:

15187

Status:

MSDS:

Part Number:

20194

Cage Code:

34944

Status:

MSDS:

Part Number:

20194 ASSEMBLY 20194DM41M

Cage Code:

34494

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 4820-01-526-8458

What are the manufacturers of nsn 4820015268458?

Military Specifications (81349)
Pentair Valves & Controls Us Lp (15187)
Industrial Furnace Designers Inc (34944)
Anderson Greenwood And Co (34494)

Does this nsn 4820015268458 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820015268458
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 4820015268458 contain any precious metals?
No precious metal content.

Does nsn 4820015268458 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820015268458?
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
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