Fluid Pressure Regulating Valve
VTS450B-555
(NSN) National Stock Number
4820-00-281-8194
Federal Supply Classification
4820 Nonpowered Valves
Item Name Code
27565
Schedule B Code
8481809015
Summary
Angle body style, automatic relief valve and inlet pressure gage and outlet pressure gage furnished items, nitrogen, gaseous media for which designed, threaded internal gas cylinder first end connection type, swivel nut, gas first end style designator, 0.908-14 ngo first end thread size and series/type designator
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 6 | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | 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
angle
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the body.Furnished Items
automatic relief valve and inlet pressure gage and outlet pressure gage
Details
Items furnished as accessories which are not specified elsewhere.Media For Which Designed
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 gas cylinder
Details
A narrative description of the type of end connection.First End Style Designator
swivel nut, gas
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
0.908-14 ngo
Details
Designates the thread diameter,series/type,and number of threads per specific measurement scale.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 internal boss
Details
A narrative description of the type of end connection.Second End Style Designator
gasket seal
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
5/8-18 unf
Details
Designates the thread diameter,series/type,and number of threads per specific measurement scale.Second End Thread Class
3b
Details
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.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.Seat Material
brass
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.Flow Control Device
disk, flat, top and bottom guided or diaphragm
Details
The part that controls the flow through the item.Flow Control Device Material
brass
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.Renewable Seat Ring Type
pressed-in
Details
Indicates the type of renewable seating ring in the item.Outlet Pressure Range
+0.0 to 40.0 pounds per square inch
Details
The minimum to maximum limits of outlet pressure of the item.Regulation Type
1st stage automatic, 2nd stage manual
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
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.Remote Actuation Method
diaphragm
Details
The means whereby a valve is actuated other than by the media passing through it.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 minimum
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
469.0 cfm max flow capacity at max rated inlet and outlet pressures
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 |
|---|---|---|---|---|---|---|---|
| 96-50-555 | 27372 | 6 | - | 5 | 9 | - | AX |
| 806-8424 | 00741 | X | - | 5 | 9 | - | XX |
| 806-8424 | 80382 | X | - | 5 | 9 | - | XX |
| 8424 | 80382 | X | - | 3 | 2 | - | XX |
| 70-5545Q | 93009 | 6 | - | 3 | 2 | - | ZZ |
| 806-8424 | 0A389 | 6 | - | 5 | 2 | - | ZZ |
| 806-8424 | 52111 | 6 | - | 5 | 9 | - | 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 |
|---|---|---|---|
| 64490 | - | P | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 594 | Z | 9 |
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Manufacturer
FAQs
Frequently asked questions for NSN 4820-00-281-8194
What is the NIIN of the NSN 4820-00-281-8194?
The National Item Identification Number (NIIN) of the NSN 4820-00-281-8194 is 00-281-8194
When the NSN 4820-00-281-8194 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 4820-00-281-8194 contain any precious metals?
Type/content is unknown
Does the NSN 4820-00-281-8194 contain any hazardous material?
No data in HMIRS
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