NSN 4820-01-200-8556 1900D, 1900D-1912DC 44, 1900D-1912DC 448PSI BBT
Product Details | SAFETY RELIEF VALVE
4820-01-200-8556 A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.
Part Alternates: 1900D, 1900D-1912DC 44, 1900D-1912DC 448PSI BBT, 1900D1912DC44, 1900D1912DC448PSIBBT, 1912DC002MS31RFLA, 1912DC-00-2MS-31-RF-LA, 4820-01-200-8556, 01-200-8556, 4820012008556, 012008556
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 10 FEB 1985 | 01-200-8556 | 05488 ( VALVE, SAFETY RELIEF ) |
Demand History | NSN 4820-01-200-8556
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 1912DC-00-2MS-31-RF-LA | 2019-10-302 | 1 | DIBBS |
| 1912DC-00-2MS-31-RF-LA | 2019-08-238 | 2 | DIBBS |
| 1912DC-00-2MS-31-RF-LA | 2019-08-227 | 2 | DIBBS |
Cross Reference | NSN 4820-01-200-8556
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Technical Data | NSN 4820-01-200-8556
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL CORROSION RESISTING BODY STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 4.500 INCHES |
| SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 4.125 INCHES |
| VALVE SIZE | 1.000 INCHES |
| FLOW CONTROL DEVICE | DISK |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | FLANGE 1ST END |
| FLANGE SHAPE | ROUND WITH HOLES 1ST END ROUND WITH HOLES 2ND END |
| NOMINAL OUTSIDE DIAMETER | 6.000 INCHES 1ST END 4.875 INCHES 2ND END |
| NOMINAL THICKNESS | 0.688 INCHES 1ST END 0.688 INCHES 2ND END |
| BOLT HOLE NOMINAL DIAMETER | 0.750 INCHES 1ST END 0.750 INCHES 2ND END |
| BOLT CIRCLE NOMINAL DIAMETER | 4.750 INCHES 1ST END 3.500 INCHES 2ND END |
| FLANGE FACE DESIGN | RAISED STRAIGHT 1ST END |
| RAISED FACE NOMINAL HEIGHT | 0.062 INCHES 1ST END |
| RAISED FACE NOMINAL DIAMETER | 3.625 INCHES 1ST END |
| BONNET TYPE | INSIDE SPRING |
| BONNET ATTACHMENT METHOD | BOLTED |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 448.0 POUNDS PER SQUARE INCH |
| SPECIAL FEATURES | WITH NOZZLE ON INLET END |
Restrictions/Controls & Freight Information | NSN 4820-01-200-8556
| 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: | A | Item does not contain precious metal |
| 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 | 594 | unknown |
| Originating Activity Code | AX | Defense Supply Center Columbus Columbus, OH 43216-5000 |
| 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 4820-01-200-8556
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 |