NSN 4820-00-079-9406 E8720ZZM51M, 8720, 00-079-9406
Product Details | SAFETY RELIEF VALVE
4820-00-079-9406 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: E8720ZZM51M, 8720, 4820-00-079-9406, 00-079-9406, 4820000799406, 000799406
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 13 DEC 1967 | 00-079-9406 | 05488 ( VALVE, SAFETY RELIEF ) |
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Related Products | NSN 4820-00-079-9406
Technical Data | NSN 4820-00-079-9406
| Characteristic | Specifications |
|---|---|
| MATERIAL | COPPER ALLOY 922 BODY NICKEL ALLOY 400 SEAT COPPER ALLOY 922 STEM |
| FLOW CONTROL DEVICE | DISK |
| MEDIA FOR WHICH DESIGNED | NITROGEN, GASEOUS 1ST RESPONSE NITROGEN, GASEOUS 2ND RESPONSE |
| MAXIMUM OPERATING PRESSURE | 600.0 POUNDS PER SQUARE INCH 1ST RESPONSE |
| MAXIMUM OPERATING TEMP | 180.0 DEG FAHRENHEIT 2ND RESPONSE |
| VALVE OPERATION METHOD | HYDRAULIC |
| RENEWABLE SEAT RING TYPE | THREADED |
| BONNET TYPE | INSIDE SPRING |
| BONNET ATTACHMENT METHOD | BOLTED |
| DISK LOADING METHOD | SPRING |
| ADJUSTABLE PRESSURE RANGE | 501.0 TO 600.0 POUNDS PER SQUARE INCH |
| FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |
| SPECIAL FEATURES | BODY STYLE:ANGLE;FIRST END CONNECTION TYPE:UNTHREADED INTERNAL PIPE;FIRST END STYLE DESIGNATOR:SOCKET W/BRAZING RING;FIRST END NOMINAL PIPE SIZE ACCOMMODATION:1.000 IN.;END CONNECTION QUANTITY:2;VALVE DISCHARGE FLOW RATE:NOT RATED;SECOND END RELATIONSHIP W/FIRST END:IDENTICAL;UNION JOINT LOCATION:ALL ENDS; |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY MATERIAL IN ACCORDANCE WITH ACTIVITY HXQUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| CRITICALITY CODE JUSTIFICATION | ZZZY |
| III FSC APPLICATION DATA | SPECIAL PROPULSION PLANT SYSTEM |
| MANUFACTURERS CODE | 01343 |
| DESIGN CONTROL REFERENCE | E8720ZZM51M |
Restrictions/Controls & Freight Information | NSN 4820-00-079-9406
| Category | Code | Description |
|---|---|---|
| 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. |
| Precious Metals Indicator Code: | A | Item does not contain precious metal |
| Criticality Code: | Y | The item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restriction or application. |
| 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 | HD | Naval Inventory Control Point 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 4820-00-079-9406
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. |
| Special Material Content | 9 | Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions |
| Source of Supply | N35 | Naval Inventory Control Point Mechanicsburg, PA 17055-0788 |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Reparability | D | Field Level Reparables |
| 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 | 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 |