NSN 4820-01-202-7744 679703, 67970-3, 01-202-7744
Product Details | PRESSURE AND TEMPERATURE RELIEF VALVE
4820-01-202-7744 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: 679703, 67970-3, 4820-01-202-7744, 01-202-7744, 4820012027744, 012027744
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 06 MAR 1985 | 01-202-7744 | 16996 ( VALVE, RELIEF, PRESSURE AND TEMPERATURE ) |
Drawings & Photos | NSN 4820-01-202-7744
Cross Reference | NSN 4820-01-202-7744
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 67970-3 | 99643 | EATON CORPORATION DBA EATON AEROSPACE |
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Technical Data | NSN 4820-01-202-7744
| Characteristic | Specifications |
|---|---|
| BODY STYLE | A7 ANGLE |
| BODY MATERIAL | BRASS |
| SEAT MATERIAL | POLYAMIDE NYLON |
| FLOW CONTROL DEVICE | POPPET |
| FLOW CONTROL DEVICE MATERIAL | STEEL, AISI 440C |
| END CONNECTION QUANTITY | 2 |
| FIRST END CONNECTION TYPE | UNTHREADED INTERNAL PIPE |
| FIRST END STYLE DESIGNATOR | H11 SOCKET W/BRAZING RING |
| FIRST END NOMINAL PIPE SIZE ACCOMMODATED | 0.750 INCHES |
| SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| TEMP ADJUSTABILITY | ADJUSTABLE |
| MEDIA FOR WHICH DESIGNED | AIR |
| TEMP RATING | -20.0 DEG FAHRENHEIT 165.0 DEG FAHRENHEIT |
| VALVE DISCHARGE FLOW RATE | 1230.0 CUBIC FEET PER MINUTE |
| TEMP CONTROL DEVICE TYPE | THERMOSTATIC |
| OPENING PRESSURE SETTING | 1155.0 POUNDS PER SQUARE INCH |
Restrictions/Controls & Freight Information | NSN 4820-01-202-7744
| 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 4820-01-202-7744
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 | 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 |