Fluid Pressure Regulating Valve

1559679

(NSN) National Stock Number

4820-00-056-2521

Federal Supply Classification

4820 Nonpowered Valves

Item Name Code

27565

Schedule B Code

8481809015

Summary

Anodized, mil-a-8625, type 2 outside surface treatment, angle body style, air and nitrogen, gaseous media for which designed, threaded internal boss first end connection type, gasket seal first end style designator, 0.438-20 unjf first end thread size and series/type designator

DAC	HCC	DMIL	RNCC
5	-	-	3

RNVC	SADC	MSDS	RNAAC
2	-	-	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

Outside Surface Treatment

anodized, mil-a-8625, type 2

Details

Consists of plating,dip,and/or coating that cannot be wiped off. plating and/or coating is any chemical and/or metallic additive,electrochemical,or mild mechanical process which protects the outside surface. please use mrc sftt with use of isac in place of this discontinued mrc.

Body Style

angle

Details

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

Media For Which Designed

air and nitrogen, 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 boss

Details

A narrative description of the type of end connection.

First End Style Designator

gasket seal

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

0.438-20 unjf

Details

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

First End Thread Class

Details

A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.

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.

Packing Material

rubber, synthetic, mil-p-5516, class b

Details

The element,compound,or mixture of which the packing is fabricated.

Flow Control Device

disk

Details

The part that controls the flow through the item.

End Connection Quantity

Details

The number of end connections included in the item.

Outlet Pressure Range

+980.0 to 1020.0 pounds per square inch

Details

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

Regulation Type

automatic single stage

Details

Indicates the basic design type used for regulating the item.

Valve Loading Method

bellows

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.

Outlet Pressure Setting

1000.0 pounds per square inch

Details

The set /nonadjustable/ pressure of the media on the outlet side.

Outlet Pressure Accuracy Rating

20.000 pounds per square inch

Details

The rated variance of the outlet pressure from the set pressure.

Filter

not included

Details

An indication of whether or not a filter is included.

Temp Rating

55.0 deg celsius maximum

Details

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

Material

aluminum alloy 2024 body

Details

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

Material Document And Classification

ams-qq-a-200/3, t4 fed spec single material response body

Details

The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.

Master-Cross Reference List

Part	CAGE	DAC	HCC	RNCC	RNVC	MSDS	RNAAC
260V003	0DGU2	5	-	5	2	-	AX
60246	81982	5	-	5	2	-	AX
A60246	81982	5	-	3	2	-	AX
62A5A217	10001	A	-	D	9	-	AX
62A5A217-1	10001	E	-	3	2	-	AX
87353	15556	5	-	5	2	-	AX

Material and Special Handling

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

HMIC	PMIC	ESD/EMI	Criticality
N	U	-	-

Freight

Universal / National Freight and Handling Information

UFC	HMC	LTL	LCL
29300	-	W	-

RVC	WCC	TCC	SHC
-	576	Z	9

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Manufacturer

NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER

CAGE: 10001

WASHINGTON , DC , 20376

UNITED STATES

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FAQs

Frequently asked questions for NSN 4820-00-056-2521

What is the NIIN of the NSN 4820-00-056-2521?

The National Item Identification Number (NIIN) of the NSN 4820-00-056-2521 is 00-056-2521

When the NSN 4820-00-056-2521 was assigned to the Federal Catalog?

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

Does the NSN 4820-00-056-2521 contain any precious metals?

Type/content is unknown

Does the NSN 4820-00-056-2521 contain any hazardous material?

No data in HMIRS

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