NSN 4820-00-181-8937 ASTM F1370, ASTM F1370 2K1B, ASTMF1370
Product Details | FLUID PRESSURE REGULATING VALVE
4820-00-181-8937 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.20248100015Valves, Powered48200018Valves, Nonpowered
Part Alternates: ASTM F1370, ASTM F1370 2K1B, ASTMF1370, ASTMF13702K1B, MILV2042, 4820-00-181-8937, 00-181-8937, 4820001818937, 001818937
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 24 OCT 1970 | 00-181-8937 | 27565 ( VALVE, REGULATING, FLUID PRESSURE ) |
Drawings & Photos | NSN 4820-00-181-8937
Demand History | NSN 4820-00-181-8937
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 4820-00-181-8937 | 2024-09-270 | 1 | DIBBS |
| 4820-00-181-8937 | 2023-10-292 | 1 | DIBBS |
| 4820-00-181-8937 | 2023-02-33 | 1 | DIBBS |
| 4820-00-181-8937 | 2022-11-317 | 1 | DIBBS |
| 4820-00-181-8937 | 2021-02-46 | 1 | DIBBS |
| 4820-00-181-8937 | 2020-10-296 | 1 | DIBBS |
| 4820-00-181-8937 | 2020-03-86 | 2 | DIBBS |
| 4820-00-181-8937 | 2020-02-36 | 2 | DIBBS |
| 4820-00-181-8937 | 2019-06-169 | 3 | DIBBS |
| 4820-00-181-8937 | 2019-04-94 | 2 | DIBBS |
| 4820-00-181-8937 | 2018-11-316 | 3 | DIBBS |
| 4820-00-181-8937 | 2016-11-322 | 10 | DIBBS |
| 4820-00-181-8937 | 2016-05-123 | 2 | DIBBS |
| 4820-00-181-8937 | 2015-05-148 | 2 | DIBBS |
| 4820-00-181-8937 | 2014-03-77 | 2 | DIBBS |
| 4820-00-181-8937 | 2012-05-123 | 4 | DIBBS |
| 4820-00-181-8937 | 2012-03-80 | 2 | DIBBS |
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Technical Data | NSN 4820-00-181-8937
| Characteristic | Specifications |
|---|---|
| BODY MATERIAL | ANY ACCEPTABLE |
| SEAT MATERIAL | ANY ACCEPTABLE |
| STEM MATERIAL | ANY ACCEPTABLE |
| PACKING MATERIAL | ANY ACCEPTABLE |
| FLOW CONTROL DEVICE | DIAPHRAGM |
| FLOW CONTROL DEVICE MATERIAL | ANY ACCEPTABLE |
| END CONNECTION QUANTITY | 2 |
| FIRST END CONNECTION TYPE | PLAIN FACE FLANGE |
| FIRST END STYLE DESIGNATOR | G1 PLAIN |
| FIRST END FLANGE SHAPE STYLE | 3 ROUND |
| FIRST END BOLT HOLE QUANTITY | 8 |
| FIRST END FLANGE OUTSIDE DIAMETER | 6.625 INCHES NOMINAL |
| FIRST END FLANGE THICKNESS | 0.500 INCHES NOMINAL |
| FIRST END BOLT HOLE DIAMETER | 0.563 INCHES NOMINAL |
| FIRST END BOLT CIRCLE DIAMETER | 5.500 INCHES NOMINAL |
| SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| BODY STYLE | A1 STRAIGHT THRU |
| FACE TO FACE DISTANCE | 11.625 INCHES NOMINAL |
| MEDIA FOR WHICH DESIGNED | WATER, FRESH AND WATER, SALT |
| RENEWABLE SEAT RING TYPE | THREADED |
| REGULATION TYPE | AUTOMATIC DOUBLE STAGE |
| VALVE STEM DESIGN | SINGLE SEAT |
| VALVE LOADING METHOD | SPRING |
| TEMP RATING | 165.0 DEG FAHRENHEIT NOMINAL |
| MAXIMUM INLET PRESSURE RATING | 150.0 POUNDS PER SQUARE INCH |
| OUTLET PRESSURE RANGE | 25.0 TO 60.0 POUNDS PER SQUARE INCH |
| OUTLET PRESSURE ACCURACY RATING | NOT RATED |
| FILTER | NOT INCLUDED |
| TEST DATA DOCUMENT | 81349-MILV2042 SPECIFICATION |
| SPECIAL TEST FEATURES | HIGH-IMPACT SHOCK TEST ARE REQUIRED AS DIRECTED IN PARAGRAPHS 3.6 AND 4.4.2.3 OF MIL-V-2042 IN PAC TEST ABOVE |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MILV2042 |
Restrictions/Controls & Freight Information | NSN 4820-00-181-8937
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| NMF Description | 127220 | PRESSURE REG/RED/RELIEF VALVES NOI |
| Less than car load rating | ||
| Less than truck load rating | P | 77.5 |
| Water commodity Code | 593 | unknown |
| Originating Activity Code | HD | Naval Inventory Control Point Mechanicsburg, PA 17055-0788 |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | V | Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above. |
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | 9 | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |
Management | NSN 4820-00-181-8937
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 3B | Navy-owned stocks of field level repairable DLA material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | Z | INSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |