NSN 4820-01-442-9403 D50DS120JS0473, D-50DS120-JS0473, 01-442-9403
Product Details | SAFETY RELIEF VALVE
4820-01-442-9403 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: D50DS120JS0473, D-50DS120-JS0473, 4820-01-442-9403, 01-442-9403, 4820014429403, 014429403
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 27 MAR 1997 | 01-442-9403 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-01-442-9403
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Related Products | NSN 4820-01-442-9403
Technical Data | NSN 4820-01-442-9403
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL BODY STEEL COMP 630 FLOW CONTROL DEVICE STEEL COMP 416 STEM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASME SA216, GR WCB ASSN STD SINGLE MATERIAL RESPONSE BODY ASTM A564, GR 630 17.4PH ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE ASTM A582, TY 416 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| STYLE DESIGNATOR | C1A ANGLE FLANGED ENDS |
| FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 4.500 INCHES |
| SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 4.130 INCHES |
| VALVE SIZE | 2.000 INCHES |
| FLOW CONTROL DEVICE | DISK |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | FLANGE ALL ENDS |
| FLANGE SHAPE | ROUND WITH HOLES ALL ENDS |
| NOMINAL OUTSIDE DIAMETER | 6.000 INCHES 1ST END 4.880 INCHES 2ND END |
| NOMINAL THICKNESS | 0.750 INCHES 1ST END 0.690 INCHES 2ND END |
| BOLT HOLE QUANTITY | 4 ALL ENDS |
| BOLT HOLE NOMINAL DIAMETER | 0.750 INCHES ALL ENDS |
| BOLT CIRCLE NOMINAL DIAMETER | 4.750 INCHES 1ST END 3.500 INCHES 2ND END |
| FLANGE FACE DESIGN | RAISED STRAIGHT ALL ENDS |
| RAISED FACE NOMINAL HEIGHT | 0.062 INCHES 1ST END |
| RAISED FACE NOMINAL DIAMETER | 3.620 INCHES 1ST END |
| BONNET TYPE | INSIDE SPRING |
| BONNET ATTACHMENT METHOD | BOLTED |
| DISK LOADING METHOD | SPRING |
| III END ITEM IDENTIFICATION | MARS CLASS AFS |
Restrictions/Controls & Freight Information | NSN 4820-01-442-9403
| 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 4820-01-442-9403
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 |