NSN 4820-00-495-2570 A15642, 20126, 20126AS51SS
Product Details | SAFETY RELIEF VALVE
4820-00-495-2570 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: A15642, 20126, 20126AS51SS, 4820-00-495-2570, 00-495-2570, 4820004952570, 004952570
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 25 JUN 1971 | 00-495-2570 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-00-495-2570
Demand History | NSN 4820-00-495-2570
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 4820-00-495-2570 | 2021-10-293 | 0 | NECO |
| 4820-00-495-2570 | 2020-10-303 | 0 | NECO |
| 4820-00-495-2570 | 2020-10-279 | 0 | NECO |
| 4820-00-495-2570 | 2020-01-29 | 5 | NECO |
| 4820-00-495-2570 | 2019-09-252 | 5 | NECO |
| 4820-00-495-2570 | 2018-05-144 | 5 | NECO |
| 4820-00-495-2570 | 2018-05-137 | 5 | NECO |
| 4820-00-495-2570 | 2016-04-110 | 16 | US |
| 4820-00-495-2570 | 2015-03-65 | 5 | NECO |
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Related Products | NSN 4820-00-495-2570
Technical Data | NSN 4820-00-495-2570
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL COMP 303 BODY LINING COBALT ALLOY FLOW CONTROL DEVICE STEEL COMP 303 PACKING |
| STYLE DESIGNATOR | C1 ANGLE |
| FLOW CONTROL DEVICE | DISK |
| MEDIA FOR WHICH DESIGNED | WATER, FRESH SINGLE RESPONSE |
| MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 650.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE DISCHARGE FLOW RATE | 74.0 GALLONS PER MINUTE |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | FLANGE 1ST END |
| FLANGE SHAPE | ROUND 1ST END |
| FLANGE FACE DESIGN | RAISED STRAIGHT 1ST END |
| RENEWABLE SEAT RING TYPE | THREADED |
| BONNET TYPE | INSIDE SPRING |
| BONNET ATTACHMENT METHOD | BOLTED |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 2485.0 POUNDS PER SQUARE INCH |
| ADJUSTABLE PRESSURE RANGE | 2401.0 TO 3000.0 POUNDS PER SQUARE INCH |
| FEATURES PROVIDED | VALVE STEM LOCK SHIELD AND PRESSURE TIGHT OUTLET SIDE |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| CRITICALITY CODE JUSTIFICATION | ZZZY |
| MANUFACTURERS CODE | 01343 |
| DESIGN CONTROL REFERENCE | 20126AS51SS |
Restrictions/Controls & Freight Information | NSN 4820-00-495-2570
| 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: | F | Munitions List Item or Commerce Control List Item. Demilitarization required. Demilitarization Instructions to be furnished by the Item/Technical Manager. |
| Controlled Inventory Item Code: | 7 | NON-SENSITIVE (SRC-N/A) - UNCLASSIFIED AA&E: OR ITEMS ASSIGNED A DEMILITARIZATION CODE OTHER THAN A, B, Q, OR P FOR WHICH ANOTHER CIIC IS INAPPROPRIATE. (NOTE: THE LOSS, THEFT, UNLAWFUL DISPOSITION, AND/OR RECOVERY OF AN ITEM WITH CIIC 7 WILL BE INVESTIGATED IN ACCORDANCE WITH DOD-4000-25-2-M AND DOD 7200.14-R, VOLUME 12, CHAPTER 7). |
| Precious Metals Indicator Code: | A | Item does not contain precious metal |
| Criticality Code: | C | The item has critical features such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). |
| 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 | HX | Navy ICP 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 4820-00-495-2570
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 1H | Consumable material assigned to NAVICP MECH for inventory management Naval Inventory Control Point, Mechanicsburg |
| Special Material ID | X4 | Special catagory of Nuclear Reactor Plant (NRP) material which is procured by NAVICP MECH and technically receipt inspected and certified as ready for use by a naval nuclear shipyard. |
| Issue Repair, or Requisition | C0 | Critical item. Do not issue. Refer all requests to cognizant manager. |
| Source of Supply | NRP | NAVICP-ERP 700 Robbins Avenue Philadelphia, PA 19111-5098 |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Reparability | D | Field Level Reparables |
| Acquisition Advice Codes | D | DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures. |
| Controlled Item Code | 7 | NON-SENSITIVE (SRC-N/A) - UNCLASSIFIED AA&E: OR ITEMS ASSIGNED A DEMILITARIZATION CODE OTHER THAN A, B, Q, OR P FOR WHICH ANOTHER CIIC IS INAPPROPRIATE. (NOTE: THE LOSS, THEFT, UNLAWFUL DISPOSITION, AND/OR RECOVERY OF AN ITEM WITH CIIC 7 WILL BE INVESTIGATED IN ACCORDANCE WITH DOD-4000-25-2-M AND DOD 7200.14-R, VOLUME 12, CHAPTER 7). |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |