Fluid Pressure Regulating Valve
SR450B-580
(NSN) National Stock Number
4820-00-293-3848
Federal Supply Classification
4820 Nonpowered Valves
Item Name Code
27565
Schedule B Code
8481809015
Summary
Straight thru body style, inlet pressure gage and outlet pressure gage furnished items, air and oxygen, gaseous and gas media for which designed, threaded internal pipe first end connection type, plain first end style designator, 0.250-18 npt first end thread size and series/type designator
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 6 | - | - | 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
Body Style
straight thru
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the body.Furnished Items
inlet pressure gage and outlet pressure gage
Details
Items furnished as accessories which are not specified elsewhere.Media For Which Designed
air and oxygen, gaseous and gas
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
0.250-18 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
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 pipe
Details
A narrative description of the type of end connection.Second End Style Designator
plain
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the end.Second End Thread Size And Series/Type Designator
0.250-18 npt
Details
Designates the thread diameter,series/type,and number of threads per specific measurement scale.Second 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.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
2
Details
The number of end connections included in the item.Regulation Type
1st stage manual, 2nd stage automatic
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 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
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.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.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 |
|---|---|---|---|---|---|---|---|
| 14854 | 11160 | 6 | - | 5 | 9 | - | AX |
| 18349 | 11160 | 6 | - | 5 | 9 | - | AX |
| 805-9488 | 11160 | 6 | - | 5 | 9 | - | SE |
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 |
|---|---|---|---|
| 64490 | - | P | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 576 | Z | 9 |
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Manufacturer
FAQs
Frequently asked questions for NSN 4820-00-293-3848
What is the NIIN of the NSN 4820-00-293-3848?
The National Item Identification Number (NIIN) of the NSN 4820-00-293-3848 is 00-293-3848
When the NSN 4820-00-293-3848 was assigned to the Federal Catalog?
It was assigned 51 years ago, on Sat, Sep 22, 1973
Does the NSN 4820-00-293-3848 contain any precious metals?
Type/content is unknown
Does the NSN 4820-00-293-3848 contain any hazardous material?
No data in HMIRS
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