NSN 4820-00-990-8881 7801, 00-990-8881, 009908881
Product Details | SAFETY RELIEF VALVE
4820-00-990-8881 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: 7801, 4820-00-990-8881, 00-990-8881, 4820009908881, 009908881
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 23 MAR 1967 | 00-990-8881 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-00-990-8881
Cross Reference | NSN 4820-00-990-8881
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7801 | 28193 | HENRY TECHNOLOGIES INC. |
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Technical Data | NSN 4820-00-990-8881
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL BODY STEEL STEM |
| SURFACE TREATMENT | NICKEL |
| STYLE DESIGNATOR | C3 ANGLE |
| FLOW CONTROL DEVICE | DISK |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | THREADED EXTERNAL PIPE 2ND END |
| CONNECTION STYLE | G46B PLAIN 2ND END |
| NOMINAL PIPE SIZE ACCOMMODATED | 0.750 INCHES 2ND END |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.750 INCHES 2ND END |
| THREAD SERIES DESIGNATOR | NPT 2ND END |
| NOMINAL THREAD SIZE | 0.750 INCHES 2ND END |
| THREAD DIRECTION | RIGHT-HAND 2ND END |
| BONNET TYPE | INSIDE SCREW |
| BONNET ATTACHMENT METHOD | INTEGRAL |
| FEATURES PROVIDED | BONNET PACKING |
| MANUFACTURERS CODE | 28193 |
| DESIGN CONTROL REFERENCE | 7801 |
Restrictions/Controls & Freight Information | NSN 4820-00-990-8881
| 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 | 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 | B | Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials. |
| 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 4820-00-990-8881
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 | V | TERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |