NSN 4820-00-256-6543 MILV2042, 30812076, 30812260
Product Details | FLUID PRESSURE REGULATING VALVE
4820-00-256-6543 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: MILV2042, 30812076, 30812260, 436-3 1-2IN, 436312IN, 4820-00-256-6543, 00-256-6543, 4820002566543, 002566543
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 24 MAR 1971 | 00-256-6543 | 27565 ( VALVE, REGULATING, FLUID PRESSURE ) |
Drawings & Photos | NSN 4820-00-256-6543
Demand History | NSN 4820-00-256-6543
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 30812076 | 2022-12-360 | 6 | DIBBS |
| 30812076 | 2022-10-304 | 13 | DIBBS |
| 30812076 | 2022-10-291 | 13 | DIBBS |
| 30812076 | 2022-05-150 | 6 | DIBBS |
| 30812076 | 2021-10-274 | 6 | DIBBS |
| 30812076 | 2021-09-262 | 6 | DIBBS |
| 30812076 | 2020-09-267 | 1 | DIBBS |
| 30812076 | 2020-02-57 | 1 | DIBBS |
| 30812076 | 2019-10-296 | 6 | DIBBS |
| 4820-00-256-6543 | 2015-05-130 | 1 | DIBBS |
| 4820-00-256-6543 | 2014-10-301 | 6 | DIBBS |
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Technical Data | NSN 4820-00-256-6543
| Characteristic | Specifications |
|---|---|
| BODY MATERIAL | BRONZE, ASTM B61 |
| SEAT MATERIAL | NICKEL COPPER ALLOY, QQ-N-288, COMP A |
| STEM MATERIAL | NICKEL COPPER ALLOY, QQ-N-286, CLASS A |
| FLOW CONTROL DEVICE | DISK, FLAT |
| FLOW CONTROL DEVICE MATERIAL | PLASTIC, POLYURETHANE |
| 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 | 7.188 INCHES NOMINAL |
| FIRST END FLANGE THICKNESS | 0.500 INCHES NOMINAL |
| FIRST END BOLT HOLE DIAMETER | 0.562 INCHES NOMINAL |
| FIRST END BOLT CIRCLE DIAMETER | 6.062 INCHES NOMINAL |
| SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| BODY STYLE | A1 STRAIGHT THRU |
| FACE TO FACE DISTANCE | 11.563 INCHES MINIMUM AND 11.687 INCHES MAXIMUM |
| MEDIA FOR WHICH DESIGNED | WATER, SALT |
| RENEWABLE SEAT RING TYPE | THREADED |
| REGULATION TYPE | MANUAL SINGLE STAGE |
| MANUAL CONTROL METHOD | SCREW |
| 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 |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MILV2042 |
Restrictions/Controls & Freight Information | NSN 4820-00-256-6543
| 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 4820-00-256-6543
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 | J | NOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |