NSN 4820-01-301-7985 16961-F SN 91516-19-A10, 16961FSN9151619A10, 26DA12-170 1IN SET 600PSI
Product Details | SAFETY RELIEF VALVE
4820-01-301-7985 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: 16961-F SN 91516-19-A10, 16961FSN9151619A10, 26DA12-170 1IN SET 600PSI, 26DA121701INSET600PSI, 4820-01-301-7985, 01-301-7985, 4820013017985, 013017985
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 02 JUN 1989 | 01-301-7985 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-01-301-7985
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Technical Data | NSN 4820-01-301-7985
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL BODY STEEL CORROSION RESISTING FLOW CONTROL DEVICE STEEL CORROSION RESISTING STEM |
| STYLE DESIGNATOR | C1A ANGLE FLANGED ENDS |
| FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 4.500 INCHES |
| SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 4.125 INCHES |
| VALVE SIZE | 2.000 INCHES |
| FLOW CONTROL DEVICE | DISK |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | FLANGE 1ST END FLANGE 2ND 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 | 0.625 INCHES 1ST END 0.688 INCHES 2ND END |
| BOLT HOLE QUANTITY | 4 1ST END 4 2ND END |
| BOLT HOLE NOMINAL DIAMETER | 0.625 INCHES 1ST END 0.625 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 STRAIGHT 2ND END |
| RAISED FACE NOMINAL HEIGHT | 0.063 INCHES 1ST END 0.500 INCHES 2ND END |
| RAISED FACE NOMINAL DIAMETER | 4.000 INCHES 1ST END 2.000 INCHES 2ND END |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 600.0 POUNDS PER SQUARE INCH |
Restrictions/Controls & Freight Information | NSN 4820-01-301-7985
| 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 4820-01-301-7985
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 | X | SEMIACTIVE ITEM-NO REPLACEMENT (NON-STOCKED ITEMS) A potentially inactive NSN which must be retained in the supply system as an item of supply because (1) stocks of the item are on hand or in use below the wholesale level and (2) the NSN is cited in equipment authorization documents TO & E, TA, TM, etc., or in-use assets are being reported. 1. Items are authorized for central procurement but not authorized for stockage at wholesale level. 2. Requisitions for in-use replacement will be authorized in accordance with individual Military Service directives. 3. Requisitions may be submitted as requirements generate. Repetitive demands may dictate an AAC change to permit wholesale stockage. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |