NSN 4820-00-223-8957 3322712010, 332-2712-010, 5377T8BBL4500
Product Details | SAFETY RELIEF VALVE
4820-00-223-8957 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: 3322712010, 332-2712-010, 5377T8BBL4500, 4820-00-223-8957, 00-223-8957, 4820002238957, 002238957
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 17 MAY 1973 | 00-223-8957 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-00-223-8957
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Related Products | NSN 4820-00-223-8957
Technical Data | NSN 4820-00-223-8957
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL COMP 303 BODY PLASTIC POLYAMIDE FLOW CONTROL DEVICE STEEL COMP 303 SEAT |
| STYLE DESIGNATOR | A1 STRAIGHT THRU |
| FLOW CONTROL DEVICE | POPPET |
| MEDIA FOR WHICH DESIGNED | OIL, HYDRAULIC SINGLE RESPONSE |
| MAXIMUM OPERATING PRESSURE | 10500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 250.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | THREADED INTERNAL BOSS 1ST END |
| CONNECTION STYLE | G4 GASKET SEAL 1ST END |
| SEAT ANGLE | 37.0 DEGREES 1ST END |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.500 INCHES 1ST END |
| THREAD SERIES DESIGNATOR | UNJF 1ST END |
| NOMINAL THREAD SIZE | 0.750 INCHES 1ST END |
| THREAD QUANTITY PER INCH | 16 1ST END |
| THREAD CLASS | 3B 1ST END |
| THREAD DIRECTION | RIGHT-HAND 1ST END |
| BONNET TYPE | INSIDE SPRING |
| BONNET ATTACHMENT METHOD | INTEGRAL |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 4500.0 POUNDS PER SQUARE INCH |
Restrictions/Controls & Freight Information | NSN 4820-00-223-8957
| 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: | N | The item does not have a critical feature 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 | KE | Naval ICP Philadelphia, PA 19111 |
| 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 4820-00-223-8957
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 7R | Aeronautical Depot Level Repairable Spares Naval Inventory Control Point, Philadelphia |
| Special Material ID | RZ | ASN 30 items TACAMO |
| Issue Repair, or Requisition | AR | Repairable item subject to centrally managed rework program at designated sites. Mandatory turn-in of item required except when initial issue or replacement of surveyed item is involved. |
| Special Material Content | 9 | Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions |
| Source of Supply | NRP | NAVICP-ERP 700 Robbins Avenue Philadelphia, PA 19111-5098 |
| Agency | DN | Department of the Navy |
| Service Organization | L | Lead Service - 22 (Repairable) |
| Reparability | H | Depot Level Reparable |
| Acquisition Advice Codes | C | SERVICE/AGENCY-MANAGED (Service/Agency use only.) # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by individual Services supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |