Fluid Pressure Regulating Valve

MILR9198

(NSN) National Stock Number

4820-00-527-7264

Federal Supply Classification

4820 Nonpowered Valves

Item Name Code

27565

Schedule B Code

8481809015

Summary

Straight thru body style, steel, corrosion resisting stem material, inlet pressure gage and outlet pressure gage and internal pilot valve and automatic relief valve furnished items, oxygen, gaseous media for which designed, threaded internal pipe first end connection type, plain first end style designator

DAC	HCC	DMIL	RNCC
E	-	-	5

RNVC	SADC	MSDS	RNAAC
9	-	-	AX

Identification

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.

INC	FIIG	Concept	Condition
27565	A21100	1	2

Specifications

Body Style

straight thru

Details

The style designation indicating the configuration that most nearly corresponds to the appearance of the body.

Stem Material

steel, corrosion resisting

Details

The element, compound,or mixture of which the stem is fabricated,excluding any surface treatment. please use mrc cybn or matt and use of isac in place of this discontinued mrc.

Furnished Items

inlet pressure gage and outlet pressure gage and internal pilot valve and automatic relief valve

Details

Items furnished as accessories which are not specified elsewhere.

Media For Which Designed

oxygen, gaseous

Details

The type of service with which the item is designed to be used. please use mrc meda in place of this discontinued mrc.

First End Connection Type

threaded internal pipe

Details

A narrative description of the type of end connection.

First End Style Designator

plain

Details

The style designation indicating the configuration that most nearly corresponds to the appearance of the end.

First End Thread Size And Series/Type Designator

1/4-18 npt

Details

Designates the thread diameter,series/type,and number of threads per specific measurement scale.

First End Thread Direction

right-hand

Details

The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.

Second End Relationship With First End

identical

Details

Indicates whether or not the second end is identical to the first end. please use mrc cqbb in place of this discontinued mrc.

Seat Material

nonmetallic

Details

The element,compound,or mixture of which the seating surfaces are fabricated. please use mrc cybm or matt and use of isac in place of this discontinued mrc.

Center To Center Distance

6.594 inches nominal

Details

The center to center distance.

Flow Control Device

disk, top guided and disk, bottom guided

Details

The part that controls the flow through the item.

Flow Control Device Material

nonmetallic

Details

The element,compound,or mixture of which the flow control device is fabricated. please use mrc matt with isac in place of this discontinued mrc.

End Connection Quantity

Details

The number of end connections included in the item.

Mounting Facility

external thread

Details

The means other than the end connection/s/ by which the item may be mounted.

Outlet Pressure Range

+0.0 to 2500.0 pounds per square inch

Details

The minimum to maximum limits of outlet pressure of the item.

Regulation Type

manual single stage

Details

Indicates the basic design type used for regulating the item.

Manual Control Method

tee handle

Details

The means used to manually adjust the item.

Valve Stem Design

double seat

Details

The seat design of the valve stem.

Valve Loading Method

dome

Details

The means of providing resistance to the media passing through a valve,whereby the valve is actuated to regulate the flow.

Maximum Inlet Pressure Rating

3000.0 pounds per square inch

Details

The maximum pressure of the media on the inlet side at which an item is designed to operate.

Filter

included

Details

An indication of whether or not a filter is included.

End Item Identification

grumman aerospace a10 aircraft

Details

The national stock number or the identification information of the end equipment for which the item is a part.

Temp Rating

-65.0 deg fahrenheit minimum and 160.0 deg fahrenheit maximum

Details

A value which expresses the degree of heat or cold as applied to the operation,or limitation of operation,of an item.

Special Features

40 microns,smallest sizeparticles removed

Details

Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification on one or more other functions.

Material

copper alloy body

Details

The chemical compound or mechanical mixture properties of which the item is fabricated.

Master-Cross Reference List

Part	CAGE	DAC	HCC	RNCC	RNVC	MSDS	RNAAC
VQ783	91816	5	-	5	9	-	TU
R1822	36346	5	-	5	9	-	AX
C4014	97151	E	-	5	9	-	AX
R1822	30367	5	-	5	9	-	AX
VQ783	63026	5	-	5	9	-	TU
GA173-2990-0227	28510	6	-	3	2	-	ZZ

Material and Special Handling

Hazardous material, precious metals, criticality, and electrostatic discharge indicators.

HMIC	PMIC	ESD/EMI	Criticality
N	A	-	-

Freight

Universal / National Freight and Handling Information

UFC	HMC	LTL	LCL
64490	-	P	-

RVC	WCC	TCC	SHC
-	576	Z	9

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Manufacturer

MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

CAGE: 81349

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FAQs

Frequently asked questions for NSN 4820-00-527-7264

What is the NIIN of the NSN 4820-00-527-7264?

The National Item Identification Number (NIIN) of the NSN 4820-00-527-7264 is 00-527-7264

When the NSN 4820-00-527-7264 was assigned to the Federal Catalog?

It was assigned 61 years ago, on Tue, Jan 1, 1963

Does the NSN 4820-00-527-7264 contain any precious metals?

Does not contain precious metal

Does the NSN 4820-00-527-7264 contain any hazardous material?

No data in HMIRS

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