NSN 4820-01-198-4203 H776A, 5189443, 01-198-4203
Product Details | PRESSURE AND TEMPERATURE RELIEF VALVE
4820-01-198-4203 A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also VALVE, SAFETY RELIEF and VALVE, REGULATING. TEMPERATURE.
Part Alternates: H776A, 5189443, 4820-01-198-4203, 01-198-4203, 4820011984203, 011984203
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 09 JAN 1985 | 01-198-4203 | 16996 ( VALVE, RELIEF, PRESSURE AND TEMPERATURE ) |
Drawings & Photos | NSN 4820-01-198-4203
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Related Products | NSN 4820-01-198-4203
Technical Data | NSN 4820-01-198-4203
| Characteristic | Specifications |
|---|---|
| BODY STYLE | A1 STRAIGHT THRU |
| FACE TO FACE DISTANCE | 2.890 INCHES NOMINAL |
| BODY MATERIAL | STEEL, FED STD 66, AISI 316/SAE 30316 |
| SEAT MATERIAL | STEEL, FED STD 66, AISI 316/SAE 30316 |
| FLOW CONTROL DEVICE | DISK, FLAT |
| STEM MATERIAL | STEEL, FED STD 66, AISI 316/SAE 30316 |
| END CONNECTION QUANTITY | 2 |
| FIRST END CONNECTION TYPE | THREADED INTERNAL BOSS |
| FIRST END STYLE DESIGNATOR | G4 SWIVEL NUT, GASKET SEAL |
| FIRST END THREAD CLASS | 3B |
| FIRST END THREAD DIRECTION | RIGHT-HAND |
| FIRST END THREAD SERIES DESIGNATOR | UNJF |
| FIRST END NOMINAL THREAD SIZE | 0.750 INCHES |
| SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL |
| SECOND END CONNECTION TYPE | THREADED EXTERNAL BOSS |
| SECOND END STYLE DESIGNATOR | J3 FLARED |
| SECOND END THREAD CLASS | 3A |
| SECOND END THREAD DIRECTION | RIGHT-HAND |
| SECOND END THREAD SERIES DESIGNATOR | UNJ |
| SECOND END NOMINAL THREAD SIZE | 0.750 INCHES |
| TEMP ADJUSTABILITY | NOT ADJUSTABLE |
| MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID, SILICATE-ESTER BASE |
| TEMP RATING | 125.0 DEG FAHRENHEIT |
| VALVE DISCHARGE FLOW RATE | 10.0 GALLONS PER MINUTE |
| TEMP CONTROL DEVICE TYPE | THERMOSTATIC |
| OPENING PRESSURE SETTING | 80.0 POUNDS PER SQUARE INCH |
Restrictions/Controls & Freight Information | NSN 4820-01-198-4203
| 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. |
| Automatic Data Processing Equipment: | 0 | Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9) |
| Category | Code | Description |
|---|---|---|
| NMF Description | 127220 | PRESSURE REG/RED/RELIEF VALVES NOI |
| Less than car load rating | P | 77.5 |
| Less than truck load rating | P | 77.5 |
| Water commodity Code | 594 | 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 4820-01-198-4203
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9B | Navy-owned stocks of 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 |