Fluid Pressure Regulating Valve NSN 4820-00-181-8911

Item Description

A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed gas(es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes regulator, pressure, medical gas administration apparatus; regulator, oxygen, barometric continuous flow; regulator, oxygen demand; regulator, oxygen diluter demand; and valve(1), fluid pressure regulating, aircraft.

NSN: 4820-00-181-8911

Stock Availability

NSN 4820001818911 availability
(as of 10/17/2023).

NS: 62
NE: 8

Note: Availability of this item may have changed since it was last checked. Request a quote for an updated price and availability quote.

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Features and Characteristics

Body Material

Bronze

Body Style

Straight thru

Stem Material

Nickel copper alloy

Furnished Items

Union nut and tailpiece

Media For Which Designed

Water, fresh and water, salt

First End Connection Type

Unthreaded internal tube

First End Style Designator

Socket w/brazing ring

First End Outside Diameter Tube Accommodated

1.000 inches

Second End Relationship With First End

Identical

Seat Material

Rubber

Packing Material

Any acceptable

Flow Control Device

Diaphragm

Flow Control Device Material

Rubber

End Connection Quantity

Renewable Seat Ring Type

Threaded

Outlet Pressure Range

+25.0 to 60.0 pounds per square inch

Regulation Type

Automatic double stage

Valve Stem Design

Single seat

Valve Loading Method

Spring

Maximum Inlet Pressure Rating

150.0 pounds per square inch

Outlet Pressure Accuracy Rating

Not rated

Filter

Not includednot included

Tempurature Rating

165.0 degrees fahrenheit 165.0 degrees fahrenheit

Special Features

Ends w/o brazing rings installed

Special Test Features

High-impact shock tests are required as directed in paragraphs 3.6 and 4.4.2.3 of mil-v-2042 in pac test above

Test Data Document

81349-milv2042 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).

Nondefinitive Specification/std Data

2 type

FSC

4820 Nonpowered Valves

NIIN

001818911

NSN

4820001818911

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

40399-01 1IN 25

Cage Code:

55378

Status:

MSDS:

Part Number:

40399-906

Cage Code:

55378

Status:

MSDS:

Part Number:

ASTM F1370 2EU1B

Cage Code:

81346

Status:

MSDS:

Part Number:

MILV2042

Cage Code:

81349

Status:

MSDS:

Part Number:

30806262

Cage Code:

03847

Status:

MSDS:

Part Number:

N551

Cage Code:

35795

Status:

MSDS:

Part Number:

30806262REVF

Cage Code:

03847

Status:

MSDS:

Part Number:

E420ALT6

Cage Code:

33547

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 8481809015
NAICS: 332911
SITC: 74780
Description: Regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level
End Use (Code 21180):
Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-00-181-8911

What are the manufacturers of nsn 4820001818911?

Trac Regulators Inc (55378)
American Society For Testing And (81346)
Military Specifications (81349)
Warren Controls, Inc. (03847)
Leslie Controls, Inc. (35795)
Kieley And Mueller Inc (33547)

Does this nsn 4820001818911 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820001818911
A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. it is designed for use with compressed gas(es) and various liquids and may include gauges. it may be inline or cartridge (manifold) design. excludes regulator, pressure, medical gas administration apparatus; regulator, oxygen, barometric continuous flow; regulator, oxygen demand; regulator, oxygen diluter demand; and valve(1), fluid pressure regulating, aircraft.

Does nsn 4820001818911 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820001818911 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820001818911?
No known electrostatic discharge.

Identification Group

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

INC

FIIG

App. Key

Cond. Code

Status

INC:

27565

FIIG:

A21100

App. Key:

Cond. Code:

Status:

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