Fluid Pressure Regulating Valve
MILR19180
(NSN) National Stock Number
4820-00-551-0758
Federal Supply Classification
4820 Nonpowered Valves
Item Name Code
27565
Schedule B Code
8481809015
Summary
Straight thrustraight thrustraight thrustraight thru body style, automatic relief valveautomatic relief valveautomatic relief valveautomatic relief valve furnished items, oxygen, liquidoxygen, liquidoxygen, liquidoxygen, liquid media for which designed, threaded external tubethreaded external tubethreaded external tubethreaded external tube first end connection type, inverted flareinverted flareinverted flareinverted flare first end style designator, 9/16-18 unf9/16-18 unf9/16-18 unf9/16-18 unf first end thread size and series/type designator
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 3 | - | - | 4 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 1 | - | - | HD |
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 thrustraight thrustraight thrustraight thru
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the body.Furnished Items
automatic relief valveautomatic relief valveautomatic relief valveautomatic relief valve
Details
Items furnished as accessories which are not specified elsewhere.Media For Which Designed
oxygen, liquidoxygen, liquidoxygen, liquidoxygen, liquid
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 tubethreaded external tubethreaded external tubethreaded external tube
Details
A narrative description of the type of end connection.First End Style Designator
inverted flareinverted flareinverted flareinverted flare
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
9/16-18 unf9/16-18 unf9/16-18 unf9/16-18 unf
Details
Designates the thread diameter,series/type,and number of threads per specific measurement scale.First End Thread Class
3a3a3a3a
Details
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.First End Thread Direction
right-handright-handright-handright-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 identicalnot identicalnot identicalnot 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 internal gas cylinderthreaded internal gas cylinderthreaded internal gas cylinderthreaded internal gas cylinder
Details
A narrative description of the type of end connection.Second End Style Designator
inverted flareinverted flareinverted flareinverted flare
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
0.903-14 ngo0.903-14 ngo0.903-14 ngo0.903-14 ngo
Details
Designates the thread diameter,series/type,and number of threads per specific measurement scale.Second End Thread Direction
right-handright-handright-handright-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.First End Seat Angle In Deg
60.060.0
Details
The angle of the end surface upon which the mated surface seats,expressed in degrees. please use mrc cqrb with isac table 0036 in place of this discontinued mrc.Flow Control Device
diaphragmdiaphragm
Details
The part that controls the flow through the item.End Connection Quantity
2
Details
The number of end connections included in the item.Regulation Type
1st stage automatic, 2nd stage manual
Details
Indicates the basic design type used for regulating the item.Valve Stem Design
single seat
Details
The seat design of the valve stem.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
2500.0 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
40.0 pounds per square inch
Details
The set /nonadjustable/ pressure of the media on the outlet side.Outlet Pressure Accuracy Rating
7.000 pounds per square inch
Details
The rated variance of the outlet pressure from the set pressure.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.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| 0781-6035 | 63026 | 1 | - | 5 | 9 | - | HD |
| PVTS240-967 | 63026 | 1 | - | 5 | 9 | - | HD |
| PVTSG250B-540 | 63026 | 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 | P |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 594 | 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
FAQs
Frequently asked questions for NSN 4820-00-551-0758
What is the NIIN of the NSN 4820-00-551-0758?
The National Item Identification Number (NIIN) of the NSN 4820-00-551-0758 is 00-551-0758
When the NSN 4820-00-551-0758 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 4820-00-551-0758 contain any precious metals?
Does not contain precious metal
Does the NSN 4820-00-551-0758 contain any hazardous material?
No data in HMIRS
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