Fluid Pressure Regulating Valve

UL252

(NSN) National Stock Number

4820-00-551-1094

Federal Supply Classification

4820 Nonpowered Valves

Item Name Code

27565

Schedule B Code

8481809015

Summary

Straight thru body style, bonnet and dial and indicator furnished items, acetylene media for which designed, threaded external tube first end connection type, compression first end style designator, 0.250 inches nominal first end outside diameter tube accommodated

DAC	HCC	DMIL	RNCC
E	-	-	3

RNVC	SADC	MSDS	RNAAC
1	-	-	ZZ

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.

Furnished Items

bonnet and dial and indicator

Details

Items furnished as accessories which are not specified elsewhere.

Media For Which Designed

acetylene

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 external tube

Details

A narrative description of the type of end connection.

First End Style Designator

compression

Details

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

First End Outside Diameter Tube Accommodated

0.250 inches nominal

Details

The length of a straight line which passes through the center of the accommodated tube,and terminates at the outside circumference.

First End Thread Size And Series/Type Designator

9/16-18 unf

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

left-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

not 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.

Second End Connection Type

threaded external tube

Details

A narrative description of the type of end connection.

Second End Style Designator

flared

Details

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

Second End Outside Diameter Tube Accommodated

0.625 inches nominal

Details

The length of a straight line which passes through the center of the accommodated tube,and terminates at the outside circumference.

Second End Thread Size And Series/Type Designator

0.880-14 ngo

Details

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

Second End Thread Class

Details

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

Second End Thread Direction

left-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 Seat Angle In Deg

37.0

Details

The angle of the end surface upon which the mated surface seats,expressed in degrees. please use mrc crcn or cqrb with use of isac in place of this discontinued mrc.

First End Seat Radius

0.062 inches nominal

Details

The radius of the end surface upon which the mated surface seats.

Flow Control Device

diaphragm

Details

The part that controls the flow through the item.

Flow Control Device Material

steel, corrosion resisting

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.

Regulation Type

manual single stage

Details

Indicates the basic design type used for regulating the item.

Manual Control Method

knob

Details

The means used to manually adjust the item.

Valve Loading Method

spring

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

400.0 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.

Temp Rating

-40.0 deg fahrenheit minimum and 165.0 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.

Nondefinitive Spec/Std Data

1 type

Details

The number,letter,or symbol that indicates the type,style,grade,class,and the like,of an item in a nonidentifying specification or standard.

Master-Cross Reference List

Part	CAGE	DAC	HCC	RNCC	RNVC	MSDS	RNAAC
UL252-TYPE-1	80204	5	-	3	2	-	ZZ
A-A-55540	58536	4	-	5	9	-	ZZ
AA55540-1	58536	E	-	5	9	-	ZZ
RVT8011	17941	E	-	C	1	-	AX
70-3015	34920	6	-	C	1	-	AX
0781-3983	63026	6	-	C	1	-	AX
0781-6013	63026	6	-	C	1	-	AX
VTS410A968	63026	6	-	C	1	-	AX
VTS460A-300	63026	6	-	C	1	-	AX
1362470	45152	4	-	5	9	-	ZZ
1362470	75Q65	5	-	5	2	-	ZZ
MILR13877	81349	E	-	5	9	-	AX

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
33230	-	J	-

RVC	WCC	TCC	SHC
-	576	Z	9

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Manufacturer

AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE

CAGE: 80204

WASHINGTON , DC , 20036-3804

UNITED STATES

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FAQs

Frequently asked questions for NSN 4820-00-551-1094

What is the NIIN of the NSN 4820-00-551-1094?

The National Item Identification Number (NIIN) of the NSN 4820-00-551-1094 is 00-551-1094

When the NSN 4820-00-551-1094 was assigned to the Federal Catalog?

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

Does the NSN 4820-00-551-1094 contain any precious metals?

Does not contain precious metal

Does the NSN 4820-00-551-1094 contain any hazardous material?

No data in HMIRS

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