Fluid Pressure Regulating Valve
F1370
(NSN) National Stock Number
4820-00-181-8958
Federal Supply Classification
4820 Nonpowered Valves
Item Name Code
27565
Schedule B Code
8481809015
Summary
4.500 inches nominal first end flange outside diameter, straight thru body style, water, fresh and water, salt media for which designed, plain face flange first end connection type, plain first end style designator, round w/ bolt holes first end flange shape style
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| E | - | - | 5 |
| 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
First End Flange Outside Diameter
4.500 inches nominal
Details
None.Body Style
straight thru
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the body.Media For Which Designed
water, fresh and water, salt
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
plain face flange
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 Flange Shape Style
round w/ bolt holes
Details
The style designation indicating the configuration that most nearly corresponds to the shape of the end flange.First End Flange Thickness
0.438 inches nominal
Details
A measurement of the smallest dimension of the first end flange, in distinction from length or width.First End Bolt Hole Quantity
4
Details
The number of bolt holes provided on the item.First End Bolt Hole Diameter
0.563 inches nominal
Details
The length of a straight line which passes through the center of a bolt hole,and terminates at the circumference.First End Bolt Circle Diameter
3.375 inches nominal
Details
None.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.Face To Face Distance
7.938 inches nominal
Details
None.Packing Material
any acceptable
Details
The element,compound,or mixture of which the packing is fabricated.Flow Control Device
diaphragm
Details
The part that controls the flow through the item.Flow Control Device Material
any acceptable
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
threaded
Details
Indicates the type of renewable seating ring in the item.Outlet Pressure Range
+25.0 to 60.0 pounds per square inch
Details
The minimum to maximum limits of outlet pressure of the item.Regulation Type
automatic double stage
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
150.0 pounds per square inch
Details
The maximum pressure of the media on the inlet side at which an item is designed to operate.Filter
not included
Details
An indication of whether or not a filter is included.Special Test Features
high-impact shock tests are required as directed in paragraphs 3.6 and 4.4.2.3 of mil-v-2042 in pack test above
Details
Test conditions and ratings,or environmental and performance requirements that are different,more critical,or more specific than those specified in a governing test data document.Test Data Document
81349-milv2042 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.).
Details
The specification,standard,drawing,or similar instrument that specifies environmental and performance requirements or test conditions under which an item is tested and establishes acceptable limits within which the item must conform identified by an alphabetic and/or numeric reference number. includes the commercial and government entity (cage) code of the entity controlling the instrument.Nondefinitive Spec/Std Data
2 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 |
|---|---|---|---|---|---|---|---|
| 4207-D27994 | 33547 | 5 | - | 5 | 9 | - | HD |
| F137002HF1B | 81346 | E | - | 5 | 9 | - | ZZ |
| F13702FF1B | 81346 | E | - | 3 | 2 | - | ZZ |
| MILV2042 | 81349 | 4 | - | 5 | 9 | - | HD |
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
AMERICAN SOCIETY FOR TESTING AND MATERIALS DBA ASTM INTERNATIONAL
CAGE: 81346
WEST CONSHOHOCKEN
, PA
, 19428-2951
UNITED STATES
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FAQs
Frequently asked questions for NSN 4820-00-181-8958
What is the NIIN of the NSN 4820-00-181-8958?
The National Item Identification Number (NIIN) of the NSN 4820-00-181-8958 is 00-181-8958
When the NSN 4820-00-181-8958 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Sat, Oct 24, 1970
Does the NSN 4820-00-181-8958 contain any precious metals?
Type/content is unknown
Does the NSN 4820-00-181-8958 contain any hazardous material?
No data in HMIRS
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